| Zeppelin | 1971 | Prime Minister | Movie |
| Casanova | 1971 | Senior Inquisitor | TV Show |
| Justice | 1971 | Sir William | TV Show |
| Shirley's World | 1971 | | TV Show |
| Columbo | 1971 | George, Steward at Supt. Durk's Club | TV Show |
| Song of Norway | 1970 | Gade | Movie |
| The Six Wives of Henry VIII | 1970 | Cardinal Campeggio | TV Show |
| On Trial | 1970 | Leon Blum | TV Show |
| The Main Chance | 1969 | Sir Charles Braithwaite | TV Show |
| Freewheelers | 1968 | Professor Lowrie / Professor Gotts | TV Show |
| Nearest and Dearest | 1968 | Magistrate | TV Show |
| Scene | 1968 | Judge | TV Show |
| ITV Playhouse | 1967 | Armitage | TV Show |
| Mr. Rose | 1967 | Chief Constable | TV Show |
| Man from Nowhere | 1966 | | Movie |
| Mystery and Imagination | 1966 | Sir Montague Malthus | TV Show |
| Beggar My Neighbour | 1966 | Mr. Crombie | TV Show |
| This Man Craig | 1966 | John Leggat | TV Show |
| Who Killed the Cat? | 1966 | Gregory | Movie |
| Life with Cooper | 1966 | Various Roles | TV Show |
| Public Eye | 1965 | Leonard Minster | TV Show |
| The Newcomers | 1965 | Gascoigne / Mr. Gascoigne | TV Show |
| Barney Is My Darling | 1965 | | TV Show |
| Sunday Night | 1965 | Crito | TV Show |
| The Tomb of Ligeia | 1964 | Minister at Graveside | Movie |
| Gideon C.I.D. | 1964 | Sir Robert Copthorne / Mr. Baker | TV Show |
| Sherlock Holmes | 1964 | Mycroft Holmes | TV Show |
| Theatre 625 | 1964 | Sir Godfrey McKellar | TV Show |
| The Massingham Affair | 1964 | Mr. Paget | TV Show |
| The Valiant Varneys | 1964 | | TV Show |
| Story Parade | 1964 | George Norville | TV Show |
| Heavens Above! | 1963 | Cabinet Minister #1 (uncredited) | Movie |
| The Haunting | 1963 | Eldridge Harper | Movie |
| Espionage | 1963 | Roger Upton | TV Show |
| Sergeant Cork | 1963 | Lord Justice Palmer | TV Show |
| Postman's Knock | 1962 | Mr. Fordyce | Movie |
| Satan Never Sleeps | 1962 | Father Lemay (uncredited) | Movie |
| Dr. Finlay's Casebook | 1962 | Chairman | TV Show |
| The Golden Rabbit | 1962 | | Movie |
| It Happened Like This | 1962 | Sir Morton | TV Show |
| Thirty Minute Theatre | 1962 | Judge | TV Show |
| The Avengers | 1961 | Dr. Spender | TV Show |
| Death and the Sky Above | 1961 | Sir John Fawcett | Movie |
| Three on a Spree | 1961 | Judge | Movie |
| Comedy Playhouse | 1961 | | TV Show |
| Colonel Trumper's Private War | 1961 | | TV Show |
| The Devil Inside | 1961 | J. B. Wykeham | Movie |
| The Attorney-General | 1961 | Robert MacDonald | TV Movie |
| 'Carry on Constable' | 1960 | Motorist (uncredited) | Movie |
| And the Same to You | 1960 | Trout (as Ronald Adams) | Movie |
| Shoot to Kill | 1960 | Wood | Movie |
| Armchair Mystery Theatre | 1960 | Judge | TV Show |
| Sykes and A... | 1960 | | TV Show |
| Snowball | 1960 | Mr. King | Movie |
| The Citadel | 1960 | Sir Jenner Halliday | TV Show |
| On Trial | 1960 | Sir James Hannen | TV Show |
| BBC Sunday-Night Play | 1960 | Slatarski | TV Show |
| Golden Girl | 1960 | Sir Robin Courtney | TV Show |
| Man in a Cocked Hat | 1959 | Sir John Farthing | Movie |
| Please Turn Over | 1959 | Mr. Appleton | Movie |
| The Man Who Could Cheat Death | 1959 | Second Doctor (uncredited) | Movie |
| ITV Sunday Night Drama | 1959 | Pastor Hoffmeyer | TV Show |
| Foreign Field | 1959 | Mr. Priestman | TV Movie |
| Redgauntlet | 1959 | Tom Trumbull | TV Show |
| The Case Before You | 1959 | Our Voice | TV Show |
| The Inbetween Age | 1958 | Mr. Dryden | Movie |
| Dial 999 | 1958 | Assistant Commissioner | TV Show |
| Saturday Playhouse | 1958 | Mr. Carew | TV Show |
| The Common Room | 1958 | Mr. Watts / Mr. Green, the new Headmaster | TV Show |
| Sea Wife | 1957 | Army Padre | Movie |
| The Ship Was Loaded | 1957 | First Sea Lord | Movie |
| Your Past Is Showing | 1957 | Chemist (uncredited) | Movie |
| Kill Me Tomorrow | 1957 | Mr. Brook | Movie |
| Stryker of the Yard | 1957 | | TV Show |
| Dick and the Duchess | 1957 | The Magistrate | TV Show |
| The Surgeon's Knife | 1957 | Maj. Tilling | Movie |
| Woman and the Hunter | 1957 | Insp. McGregor | Movie |
| African Patrol | 1957 | John Haley / Ray | TV Show |
| Adventures of a Jungle Boy | 1957 | Dr. Lawrence | TV Show |
| Inside Information | 1957 | Inspector Hammond | Short Film |
| The Man Who Was Two | 1957 | General Sir George Nugent | TV Show |
| The Adventures of Peter Simple | 1957 | Admiral | TV Show |
| Around the World in 80 Days | 1956 | Club Steward | Movie |
| Bhowani Junction | 1956 | General Ackerby (uncredited) | Movie |
| Lust for Life | 1956 | Commissioner De Smet | Movie |
| Private's Progress | 1956 | Doctor at Medical | Movie |
| Reach for the Sky | 1956 | Air Vice-Marshal Leigh-Mallory | Movie |
| The Man Who Never Was | 1956 | Adams (uncredited) | Movie |
| The Count of Monte Cristo | 1956 | General Le Claire | TV Show |
| Million Dollar Manhunt | 1956 | Dumetrius | Movie |
| Boyd Q.C. | 1956 | Mr. Noel | TV Show |
| Tons of Trouble | 1956 | Psychiatrist | Movie |
| The Crime of the Century | 1956 | Asst. Commissioner Relf | TV Show |
| Marriage Settlement | 1956 | Mr. Carew | TV Movie |
| Our Lady's Tumbler | 1956 | Brother Bernard | TV Movie |
| ITV Television Playhouse | 1955 | Lord Cleghorn / Mr. Parsons / Richard Blatchley, Governor | TV Show |
| Crest of the Wave | 1954 | Member of Admiralty Board (uncredited) | Movie |
| Man with a Million | 1954 | Samuel Clemens (uncredited) | Movie |
| The Beachcomber | 1954 | Sir Henry Johnstone (uncredited) | Movie |
| The Black Knight | 1954 | The Abbot | Movie |
| The Vise | 1954 | Tam Lyn | TV Show |
| Cash on Delivery | 1954 | Parsons | Movie |
| Forbidden Cargo | 1954 | Mr. Bennett (uncredited) | Movie |
| Front Page Story | 1954 | Editor | Movie |
| Johnny on the Spot | 1954 | Inspector Beveridge | Movie |
| Thought to Kill | 1954 | Gooch | Movie |
| The Manor of Northstead | 1954 | Lord Cleghorn | TV Movie |
| Raiders in the Sky | 1953 | Instructor (uncredited) | Movie |
| Malta Story | 1953 | Group Captain - Operations (uncredited) | Movie |
| Martin Luther | 1953 | John, Duke of Saxony | Movie |
| Rheingold Theatre | 1953 | Gooch | TV Show |
| Escape by Night | 1953 | Tallboy | Movie |
| Flannelfoot | 1953 | Inspector Duggan | Movie |
| Stryker of the Yard | 1953 | | Movie |
| Angels One Five | 1952 | Group Controller | Movie |
| Billy Bunter of Greyfriars School | 1952 | Mr. Quelch | TV Show |
| Holiday Week | 1952 | Mr. Nat Jeffcote | Movie |
| Mr. Denning Drives North | 1952 | Coroner | Movie |
| Mr. Potts Goes to Moscow | 1952 | Barworth Controller | Movie |
| My Wife's Lodger | 1952 | Doctor | Movie |
| The Obsessed | 1952 | Head-Master | Movie |
| Evidence for Hire | 1952 | Sir William Hanson QC | Movie |
| Captain Horatio Hornblower | 1951 | Adm. McCartney | Movie |
| I'll Never Forget You | 1951 | Ronson (uncredited) | Movie |
| Laughter in Paradise | 1951 | Mr. Wagstaffe - Bank Manager (as Ronald Adams) | Movie |
| The Lavender Hill Mob | 1951 | Turner | Movie |
| Fortune in Diamonds | 1951 | Van Thaal Snr. | Movie |
| Hell Is Sold Out | 1951 | Specialist | Movie |
| For the Children | 1951 | Zeus | TV Show |
| Seven Days to Noon | 1950 | The Prime Minister | Movie |
| Operation X | 1950 | Col. Fogarty | Movie |
| BBC Sunday-Night Theatre | 1950 | George Brander / Sir Cuthbert Graham / Professor Wilding / ... | TV Show |
| Shadow of the Past | 1950 | Solicitor | Movie |
| Mr. Gillie | 1950 | Rev. Mr. Gibb | TV Movie |
| Black Magic | 1949 | Court President | Movie |
| Christopher Columbus | 1949 | Talavera | Movie |
| Helter Skelter | 1949 | Director General of the BBC (uncredited) | Movie |
| The Bad Lord Byron | 1949 | Judge | Movie |
| The Hidden Room | 1949 | Clubman | Movie |
| Under Capricorn | 1949 | Mr. Riggs | Movie |
| All Over the Town | 1949 | Sam Vane | Movie |
| Boys in Brown | 1949 | Judge (uncredited) | Movie |
| Diamond City | 1949 | Robert Southey (as Ronald Adams) | Movie |
| If This Be Sin | 1949 | Prosecutor | Movie |
| The Case of Charles Peace | 1949 | Counsel for Defence | Movie |
| The Queen of Spades | 1949 | Prince Tomsky | TV Movie |
| The Late Edwina Black | 1949 | Headmaster | TV Movie |
| Bonnie Prince Charlie | 1948 | Macleod | Movie |
| Counterblast | 1948 | Col Ingram - Gillington POW Camp Commandant | Movie |
| Frieda | 1948 | The Rev. Francis Munroe | TV Movie |
| Morning Departure | 1948 | Lt. McFee | TV Movie |
| As You Are | 1948 | Edward Dawson | TV Movie |
| Reunion | 1948 | Sir Robert Wisdom | TV Movie |
| An Ideal Husband | 1947 | Member of Parliament (uncredited) | Movie |
| Fame Is the Spur | 1947 | Radshaws' Doctor (uncredited) | Movie |
| Take My Life | 1947 | Det Sgt Hawkins - Deaf Man | Movie |
| Busman's Honeymoon | 1947 | Bunter | TV Movie |
| The Phantom Shot | 1947 | Caleb Horder | Movie |
| Richard of Bordeaux | 1947 | John of Gaunt, Duke of Lancaster | TV Movie |
| Henry IV | 1947 | Dr. Dionysius Genoni | TV Movie |
| Green for Danger | 1946 | The Hospital Staff - The Doctors: Dr. White | Movie |
| Pink String and Sealing Wax | 1946 | Clerk of the Court | Movie |
| Morning Departure | 1946 | Lt. McFee | TV Movie |
| Journey Together | 1945 | Commanding Officer at Falcon Field | Movie |
| Escape to Danger | 1943 | George Merrick | Movie |
| The Avengers | 1942 | Daily Express Reporter in Phone Booth (uncredited) | Movie |
| Somewhere in France | 1942 | Sir Charles Fawcett Managing Director (uncredited) | Movie |
| The Big Blockade | 1940 | German businessman (uncredited) | Movie |
| House of Mystery | 1940 | Mons. Besnard | Movie |
| Maxwell Archer, Detective | 1940 | Nicolides | Movie |
| Clouds Over Europe | 1939 | Pollack - Aviation Engineer (uncredited) | Movie |
| The Lion Has Wings | 1939 | German Bomber Chief | Movie |
| Inspector Hornleigh | 1939 | Wittens | Movie |
| Dangerous Cargo | 1939 | Capt. Dukes | Movie |
| Too Dangerous to Live | 1939 | Murbridge / Wills | Movie |
| The Missing People | 1939 | Surtees | Movie |
| Drums | 1938 | Major Gregoff | Movie |
| North Sea Patrol | 1938 | Enemy Ship's Captain (uncredited) | Movie |
| Queen of Crime | 1938 | Police Chief | Movie |
| Strange Boarders | 1938 | Barstow | Movie |
| Somerset Maugham Hour | | Archbishop | TV Show |
