| She Never Died | 2019 | Godfrey | Movie |
| Hudson & Rex | 2019 | Major Sheridan | TV Show |
| Titans | 2018 | Lionel Luthor | TV Show |
| An Audience of Chairs | 2018 | Ian | Movie |
| My Secret Valentine | 2018 | Truman Grange | TV Movie |
| Star Trek: Discovery | 2017 | Baron Grimes | TV Show |
| Cardinals | 2017 | Jim Walker | Movie |
| Away Home | 2017 | John McNeil | Short Film |
| First Round Down | 2016 | Coach | Movie |
| Private Eyes | 2016 | Murray Clavin | TV Show |
| My Beautiful Bride | 2016 | Tom | Short Film |
| Regression | 2015 | Police Chief Cleveland | Movie |
| Let's Rap | 2015 | Victor Brady | Movie |
| Good Witch | 2015 | George O'Hanrahan | TV Show |
| The Secret Life of Marilyn Monroe | 2015 | Joseph M. Schenck | TV Show |
| This Life | 2015 | Gerald Lawson | TV Show |
| The Divide | 2014 | Judge | TV Show |
| The Journey Home | 2014 | Albert Speck | Movie |
| The Good Witch's Wonder | 2014 | George O'Hanrahan | TV Movie |
| Many Choices | 2014 | | Short Film |
| Cracked | 2013 | Sal Lenza | TV Show |
| Defiance | 2013 | Garret Clancy | TV Show |
| Rogue | 2013 | General Howard | TV Show |
| Hunting Season | 2013 | Jack | Movie |
| The Good Witch's Destiny | 2013 | George O'Hanrahan | TV Movie |
| Splinter Cell: Blacklist | 2013 | Secretary of Defence (voice) | Unknown |
| Tru Love | 2013 | Richard | Movie |
| The Firm | 2012 | | TV Show |
| Mr. D | 2012 | Coach Keenan | TV Show |
| The Good Witch's Charm | 2012 | George O'Hanrahan | TV Movie |
| Bag of Bones | 2011 | Bill Dean | TV Show |
| The Kennedys | 2011 | Governor Ross Barnett | TV Show |
| XIII: The Series | 2011 | Sean Mulvey | TV Show |
| Suits | 2011 | Dean Morello | TV Show |
| Committed | 2011 | Dr. Quilley | TV Movie |
| Against the Wall | 2011 | | TV Show |
| John A.: Birth of a Country | 2011 | Allan MacNab | TV Movie |
| Combat Hospital | 2011 | General Hunnable | TV Show |
| 12 Dates of Christmas | 2011 | Mike Stanton | TV Movie |
| Salem Falls | 2011 | Roy Peabody | TV Movie |
| At Risk | 2010 | Gov. Crawley (as Peter Macneill) | TV Movie |
| Rookie Blue | 2010 | Tommy McNally | TV Show |
| Haven | 2010 | Mayor Richard Brody | TV Show |
| The Good Witch's Gift | 2010 | George O'Hanrahan | TV Movie |
| Call Me Fitz | 2010 | Ken Fitzpatrick | TV Show |
| Republic of Doyle | 2010 | Malachy Doyle | TV Show |
| My Family's Secret | 2010 | Paul Darcie | Movie |
| The Cry of the Owl | 2009 | Sam Rhodes | Movie |
| Being Erica | 2009 | Niall Fitzpatrick | TV Show |
| Sea Wolf | 2009 | Fat Louis | TV Show |
| The Good Witch's Garden | 2009 | George O'Hanrahan | TV Movie |
| Manson, My Name Is Evil | 2009 | Judge | Movie |
| Kit Kittredge: An American Girl | 2008 | Sheriff | Movie |
| Céline | 2008 | Adhemar Dion | TV Movie |
| Menace | 2008 | Superintendent | TV Movie |
| The Good Witch | 2008 | George O'Hanrahan | TV Movie |
| The Summit | 2008 | Michael Merchant | TV Show |
| Victor | 2008 | Mel Davis | TV Movie |
| Flashpoint | 2008 | Stan Matthews | TV Show |
| The Border | 2008 | Clarence Barden | TV Show |
| Murdoch Mysteries | 2008 | Leonard Vasser | TV Show |
| Late Fragment | 2007 | Christian | Movie |
| Talk to Me | 2007 | Warden Cecil Smithers | Movie |
| Si j'étais toi | 2007 | Dr. Christopher Bray | Movie |
| The Stone Angel | 2007 | Jason Currie | Movie |
| Something Beneath | 2007 | Deadmarsh | TV Movie |
| The Marsh | 2006 | Philip Manville | Movie |
| Above and Beyond | 2006 | Gen. Anderson | TV Show |
| Heyday! | 2006 | Frank Fleming | TV Movie |
| The House Next Door | 2006 | | TV Movie |
| The Path to 9/11 | 2006 | USAF Colonel | TV Show |
| At the Hotel | 2006 | Peter | TV Show |
| Runaway | 2006 | Charlie Rader | TV Show |
| A History of Violence | 2005 | Sheriff Sam Carney | Movie |
| Cinderella Man | 2005 | Electric Man | Movie |
| Our Fathers | 2005 | Older Spags' Friend Billy | TV Movie |
| Trump Unauthorized | 2005 | Joseph Eichler | TV Movie |
| Kojak | 2005 | Col. Vincent Barnett | TV Show |
| God's Goodness | 2005 | Dr. Hanson | Short Film |
| Geraldine's Fortune | 2004 | Henry Liddle | Movie |
| Some Things That Stay | 2004 | Mr. Burns (uncredited) | Movie |
| Evel Knievel | 2004 | | TV Movie |
| H2O | 2004 | Police Chief | TV Show |
| Kingdom Hospital | 2004 | Johnny B. Goode / 'Hawk' | TV Show |
| Naked Josh | 2004 | Eric's Father - Jack | TV Show |
| Luck | 2003 | Dad | Movie |
| Open Range | 2003 | Mack | Movie |
| Killer Instinct: From the Files of Agent Candice DeLong | 2003 | Frank MacNeil | TV Movie |
| Word of Honor | 2003 | Brig. Gen. Norm Van Arken | TV Movie |
| 1-800-Missing | 2003 | Samuel Marx | TV Show |
| Wild Card | 2003 | Norman Culver | TV Show |
| Shelly Fisher | 2003 | Deputy | TV Movie |
| Framed | 2002 | Capt. MacNamara (as Peter Macneill) | TV Movie |
| Guilty Hearts | 2002 | Det. Ed Rafferty | TV Movie |
| Heart of a Stranger | 2002 | | TV Movie |
| Puppets Who Kill | 2002 | Colonel Lee | TV Show |
| Bury the Lead | 2002 | Warren Donohue | TV Show |
| Angel Eyes | 2001 | Lieutenant Dennis Sanderman | Movie |
| The Caveman's Valentine | 2001 | Cork | Movie |
| Who Is Cletis Tout? | 2001 | Detective Tripp (as Peter MacNeil) | Movie |
| The Judge | 2001 | Gus Lano | TV Show |
| Blue Murder | 2001 | Det. Jimmy Dater | TV Show |
| Doc | 2001 | Gus Wanson | TV Show |
| Frequency | 2000 | Butch Foster | Movie |
| Sex & Mrs. X | 2000 | Harry Frost | TV Movie |
| Falcone | 2000 | Joseph P. Welsh | TV Show |
| Violet | 2000 | Rusty | Movie |
| Blessed Stranger: After Flight 111 | 2000 | Earl Barkhouse | TV Movie |
| Resurrection | 1999 | Captain Whippley | Movie |
| A Touch of Hope | 1999 | Mr. Kraft | TV Movie |
| Blue Moon | 1999 | Willis Randecker | TV Movie |
| Deep in My Heart | 1999 | Gerald Nephew (as Peter MacNeil) | TV Movie |
| Storm of the Century | 1999 | Sonny Brautigan | TV Show |
| Queer as Folk | 1999 | Detective Carl Horvath | TV Show |
| Dangerous Evidence: The Lori Jackson Story | 1999 | Ervan Kuhnke | TV Movie |
| Killer Deal | 1999 | Captain Desalvo | TV Movie |
| Blind Faith | 1998 | Captain McCully | TV Movie |
| Dog Park | 1998 | Neighbor | Movie |
| Simon Birch | 1998 | Mr. Birch | Movie |
| Mind Games | 1998 | Wexford | TV Movie |
| My Own Country | 1998 | Allen | TV Movie |
| The Long Island Incident | 1998 | Dennie McCarthy | TV Movie |
| The Hanging Garden | 1997 | Whiskey Mac | Movie |
| Too Close to Home | 1997 | Judge Sorenson | TV Movie |
| Earth: Final Conflict | 1997 | Harry Winslow / Warden Cole | TV Show |
| The Wonderful World of Disney | 1997 | Sheriff / Coach Murdock | TV Show |
| Crash | 1996 | Colin Seagrave | Movie |
| No One Could Protect Her | 1996 | Frank | TV Movie |
| Conundrum | 1996 | Hershel Kirkland | TV Movie |
| Double Jeopardy | 1996 | Stu | TV Movie |
| Giant Mine | 1996 | Harry Seaton | TV Movie |
| Lives of Girls & Women | 1996 | Tom Jordan | TV Movie |
| Mistrial | 1996 | Chief Inspecter Ray Hartman | TV Movie |
| PSI Factor: Chronicles of the Paranormal | 1996 | Ray Donahue | TV Show |
| Traders | 1996 | Frank Larkin | TV Show |
| Closer and Closer | 1996 | Sheriff Dwayne Jackson | TV Movie |
| Butterbox Babies | 1995 | William Young | Movie |
| A Vow to Kill | 1995 | Sam Flowers | TV Movie |
| The Possession of Michael D. | 1995 | Arthur | TV Movie |
| Lonesome Dove: The Outlaw Years | 1995 | Mr. Creel | TV Show |
| Gross Misconduct | 1993 | Roy Spencer | TV Movie |
| Survive the Night | 1993 | Watch Commander | TV Movie |
| Kung Fu: The Legend Continues | 1993 | The Judge | TV Show |
| Matrix | 1993 | Kurt Campbell | TV Show |
| Deadly Matrimony | 1992 | Sheriff McKay | TV Movie |
| Body Parts | 1991 | Drunk | Movie |
| Captain Power: The Beginning | 1991 | Major Matthew 'Hawk' Masterson | TV Movie |
| Beyond Reality | 1991 | | TV Show |
| Heritage Minutes | 1991 | John Matheson, MP | TV Show |
| The Events Leading Up to My Death | 1991 | Dad | Movie |
| Stella | 1990 | Bobby | Movie |
| Maniac Mansion | 1990 | Morey Mellen | TV Show |
| Avonlea | 1990 | Emmett Grier | TV Show |
| Top Cops | 1990 | Dunmore | TV Show |
| Whispers | 1990 | Frank | Movie |
| Physical Evidence | 1989 | Brannigan | Movie |
| Renegades | 1989 | Denny Ransom | Movie |
| Love and Hate: The Story of Colin and Joanne Thatcher | 1989 | Ron Graham | TV Movie |
| Babar | 1989 | Additional Voices | TV Show |
| E.N.G. | 1989 | Richard / Fraser / Paul Richter / ... | TV Show |
| Justice Denied | 1989 | Staff Sergt. Harry Wheaton | Movie |
| C.B.C.'s Magic Hour | 1989 | Coach Brennan | TV Show |
| Without Work: Sidetracked | 1989 | | Short Film |
| The Rookies | 1989 | Coach | TV Movie |
| My Secret Identity | 1988 | | TV Show |
| Rin Tin Tin: K-9 Cop | 1988 | Sergeant Callahan / Sgt. Callahan | TV Show |
| T and T | 1988 | Stone | TV Show |
| War of the Worlds | 1988 | Director | TV Show |
| Captain Power and the Soldiers of the Future | 1987 | Major Matthew 'Hawk' Masterson | TV Show |
| Street Legal | 1987 | Dennis Pashkov / Doug O'Leary | TV Show |
| A Judgment in Stone | 1986 | William | Movie |
| One Police Plaza | 1986 | David Ancorie | TV Movie |
| Murder Sees the Light | 1986 | Lloyd | TV Movie |
| Les roses de Matmata | 1986 | | Movie |
| Alfred Hitchcock Presents | 1985 | Dr. Austin | TV Show |
| Star Wars: Droids | 1985 | Nilz Yomm | TV Show |
| Left Out | 1985 | | Movie |
| That's My Baby! | 1984 | Donut Bum | Movie |
| A Good Tree | 1984 | Father | Short Film |
| Full Circle Again | 1984 | Dr. McCormick | TV Movie |
| Philip Marlowe, Private Eye | 1983 | Deputy Sheriff | TV Show |
| Backstretch | 1983 | Ray Foley | TV Show |
| The Edison Twins | 1982 | Mr. Edison | TV Show |
| Shocktrauma | 1982 | Don Silver (as Peter McNeill) | TV Movie |
| Kings and Desperate Men | 1981 | Kidnapper | Movie |
| This Is Your Museum Speaking | 1979 | | Short Film |
| Blackout | 1978 | | Movie |
| Cathy's Curse | 1977 | Gimble en 1935 (as Peter McNeil) | Movie |
| Rabid | 1977 | Loader (as Peter McNeill) | Movie |
| One Man | 1977 | Jack Williamson | Movie |
| Spinnolio | 1977 | | Short Film |
| Happiness Is Loving Your Teacher | 1977 | | Short Film |
| Shadows in an Empty Room | 1976 | Alexander (as Peter Mac Neil) | Movie |
| For the Record | 1976 | | TV Show |
| What Do You Do?/What Are You Doing? | 1976 | | Short Film |
| The Christmas Messenger | 1975 | | TV Movie |
| Why Rock the Boat? | 1974 | Peterson | Movie |
