| Chance | 2016 | Drinker #1 | TV Show |
| World of Warcraft: Legion | 2016 | (voice) | Unknown |
| Dying Light | 2015 | Additional Voices (voice) (as Adam G.), Nick Pesto | Unknown |
| Call of Duty: Black Ops III | 2015 | Additional Voices (voice) | Unknown |
| Blood Ransom | 2014 | Max | Movie |
| inFamous: Second Son | 2014 | Concrete Rook (voice) | Unknown |
| WildStar | 2014 | Bloodpit Announcer (voice), Falkrin Male, Golgox, Granok Male, Kezrek Warbringer, Korol the Shaper, Mercenary Arkos | Unknown |
| World of Warcraft: Warlords of Draenor | 2014 | (voice) | Unknown |
| Hearthstone: Heroes of Warcraft | 2014 | Rafaam | Unknown |
| Automotive | 2013 | Helen's Driver (as Adam G.) | Movie |
| Dead Island Riptide | 2013 | Various Characters (voice) (as Adam G), Wayne | Unknown |
| Grand Theft Auto V | 2013 | Local Population (voice) (as Adam G.) | Unknown |
| Call of Juarez: Gunslinger | 2013 | Henry Plummer (voice) (as Adam G.) | Unknown |
| Longmire | 2012 | Lane Potter | TV Show |
| Franklin & Bash | 2011 | Sheriff | TV Show |
| Dead Island | 2011 | Mowen, Various Characters (voice) (as Adam G.) | Unknown |
| Call of Juarez: The Cartel | 2011 | Additional Voices (voice) (as Adam G.), Sergeant Dempsy | Unknown |
| Fallout: New Vegas - Honest Hearts | 2011 | Salt | Unknown |
| Sinatra Club | 2010 | Willie Boy | Movie |
| Fallout: New Vegas | 2010 | Salt-Upon-Wounds - Honest Hearts DLC (voice) (as Adam G.) | Unknown |
| The Outside | 2009 | Father | Movie |
| Wristcutters: A Love Story | 2006 | Gas Station Attendant (as Adam G.) | Movie |
| Gettin' Some Jail Time | 2006 | Himself (as Adam G.) | Short Film |
| Boston Legal | 2004 | Officer Devon Ritchie | TV Show |
| Grand Theft Auto: San Andreas | 2004 | Pedestrian (voice) (as Adam G) | Unknown |
| World of Warcraft | 2004 | (voice) | Unknown |
| Son of the Beach | 2000 | Dark Horse | TV Show |
| Light It Up | 1999 | Cop #2 | Movie |
| Family Law | 1999 | Sergeant | TV Show |
| The Jersey | 1999 | Sports Announcer | TV Show |
| Babylon 5: Thirdspace | 1998 | Guard (as G. Adam Gifford) | TV Movie |
| Behind Enemy Lines | 1997 | Blakely (as G. Adam Gifford) | Movie |
| Buffy the Vampire Slayer | 1997 | Tough Vamp | TV Show |
| Mike Hammer, Private Eye | 1997 | Deputy | TV Show |
| Driven | 1996 | Mugger (as G. Adam Gifford) | Movie |
| Pacific Blue | 1996 | Peter McCloud | TV Show |
| The Colony | 1995 | Landscape Services Officer (as G. Adam Gifford) | TV Movie |
| The Parent 'Hood | 1995 | The Hunk 1 episode, 1997 | TV Show |
| The Wayans Bros. | 1995 | Officer | TV Show |
| Dragstrip Girl | 1994 | Evan (as G. Adam Gifford) | TV Movie |
| ER | 1994 | Pelvis Man | TV Show |
| Extreme Justice | 1993 | Speer (as G. Adam Gifford) | Movie |
| Street Knight | 1993 | Jesus (as G. Adam Gifford) | Movie |
| There Was a Little Boy | 1993 | Frankie (as G. Adam Gifford) | TV Movie |
| Saved by the Bell: The New Class | 1993 | Kirk | TV Show |
| Walker, Texas Ranger | 1993 | Juan Santos | TV Show |
| Renegade | 1992 | Norman - Janet's brother | TV Show |
| Reasonable Doubts | 1991 | Buff Delivery Man | TV Show |
| Wake, Rattle & Roll | 1990 | Chief White Eagle (unknown episodes, 1990) | TV Show |
| Normal Life | 1990 | Best Friend | TV Show |
| Deadly Weapon | 1989 | Wade (as G. Adam Gifford) | Movie |
| Life Goes On | 1989 | Jim | TV Show |
| Freddy's Nightmares | 1988 | Joe | TV Show |
| A Different World | 1987 | Ticket Scalper | TV Show |
| Dangerously Close | 1986 | (as G. Adam Gifford) | Movie |
| L.A. Law | 1986 | Truman Teas | TV Show |
| The Redd Foxx Show | 1986 | Bully | TV Show |
| Highway to Heaven | 1984 | Gang Leader | TV Show |
| Hunter | 1984 | Adam Stoltz | TV Show |
| Slow Dancing in the Big City | 1978 | Marty Olivera (as G. Adam Gifford) | Movie |
| Daddy, I Don't Like It Like This | 1978 | Second Gang Boy (as G. Adam Gifford) | TV Movie |
| General Hospital | 1963 | Mercenary #7 (11 episodes, 2007) | TV Show |
