| Movies (Videos, Films & Projects): |
Year |
Budget |
 The Exorcist - Burke Dennings |
1973 |
$1M |
| King Lear - Fool |
1971 |
|
| Start the Revolution Without Me - Jacques |
1970 |
|
| A Day at the Beach - The Collector |
1970 |
|
| The Yin and the Yang of Mr. Go - Leo Zimmerman |
1970 |
|
| Age of Consent - Nat Kelly |
1969 |
|
| Wonderwall - Prof. Oscar Collins |
1968 |
|
| The Fearless Vampire Killers - Professor Abronsius |
1967 |
$2M |
| How I Won the War - Juniper |
1967 |
|
| Cul-de-sac - Albie |
1966 |
|
| Doctor Zhivago - Petya |
1965 |
$11M |
| Young Cassidy - Archie |
1965 |
|
| Lord Jim - Robinson |
1965 |
|
| The Ceremony - O'Brian |
1963 |
|
| Tom Jones - Partridge |
1963 |
$1M |
| Two and Two Make Six - Night Porter |
1962 |
|
| Night Creatures - Frightened Man |
1962 |
|
| Mix Me a Person - Terence |
1962 |
|
| The Brain - Furber |
1962 |
|
| Chance Meeting - Postman |
1959 |
|
| The Little People - Phadrig Oge |
1959 |
|
| The Giant Behemoth - Dr. Sampson, the Paleontologist |
1959 |
|
| The Boy and the Bridge - Market Porter |
1959 |
|
| Rooney - Joe O'Connor |
1958 |
|
| She Didn't Say No! - William Bates |
1958 |
|
| Stowaway Girl - Tommy |
1957 |
|
| The Rising of the Moon - Actor |
1957 |
|
| Jacqueline - Campbell |
1956 |
|
| Raiders of the River - Actor (as Jack McGowran) |
1956 |
|
| Panic in the Parlor - Toddy |
1956 |
|
| The Titfield Thunderbolt - Vernon Crump |
1953 |
|
| Terror on a Train - Bearded Man In Hostel (uncredited) |
1953 |
|
| The Gentle Gunman - McGuire |
1952 |
|
| The Quiet Man - Ignatius Feeney (Squire Daniher's handyman) (as Jack McGo |
1952 |
|
| No Resting Place - Billy Kyle |
1950 |
|
| TV appearance: |
| Shadow of a Gunman (TV movie) - Seumas Shields |
1972 |
|
| No Sign of the Cross - Michele Lanier |
1972 |
|
| The Ghost Talks - Joe Hudson |
1970 |
|
| The Event - Alec |
1968 |
|
| There's a Hole in Your Dustbin Delilah (TV movie) - 'Cheese And Egg' Petty |
1968 |
|
| Happening - Banner |
1968 |
|
| The Winged Avenger - Prof. Poole |
1967 |
|
| The Voice of His Calling - Kevin Moriarty |
1967 |
|
| Silent Song - Brother Michael |
1966 |
|
| The Far-Way Incident - Coastes |
1966 |
|
| Eh, Joe? (TV movie) - Actor |
1966 |
|
| Such Men Are Dangerous - Shorty Pratt |
1965 |
|
| Esther's Altar - Actor |
1965 |
|
| Lucky Accident - Fenton |
1963 |
|
| He Rises on Sunday and We on Monday - Matt Youghal |
1963 |
|
| Donovan's Disaster - Lonnie (as Jack MacGowan) |
1962 |
|
| The Nurse - Prior |
1961 |
|
| Stranger in Danger - Sean, Irish Deck Hand |
1956 |
|
| The Desert Hostages - Sean, Irish Deck Hand |
1956 |
|
| Aircraft in the Desert - Sean, Irish Deck Hand |
1956 |
|
| It Started in Paris - Sean, Irish Deck Hand |
1956 |
|
| The Lost Portrait - Sean, Irish Deck Hand |
1956 |
|
| Gideon C.I.D. (TV series) - Happy Roden (1 episode) |
|
|
| Banacek (TV series) - Michele Lanier (1 episode, 1972) |
|
|
| My Partner the Ghost (TV series) - Joe Hudson (1 episode, 1970) |
|
|
| The Champions (TV series) - Banner (1 episode, 1968) |
|
|
| Half Hour Story (TV series) - Alec (1 episode, 1968) |
|
|
| Sailor of Fortune (TV series) - Sean, Irish Deck Hand / Sean (23 ep |
|
|
| Sanctuary (TV series) - Kevin Moriarty (1 episode, 1967) |
|
|
| Danger Man (TV series) - Prior (1 episode, 1961) |
|
|
| The Avengers (TV series) - Prof. Poole (1 episode, 1967) |
|
|
| Zero One (TV series) - Lonnie (1 episode, 1962) |
|
|
| The Wednesday Play (TV series) - Brother Michael (1 episode, 1966) |
|
|
| Z Cars (TV series) - Fenton (1 episode, 1963) |
|
|
| Thirty-Minute Theatre (TV series) - Coastes (1 episode, 1966) |
|
|
| Espionage (TV series) - Matt Youghal (1 episode, 1963) |
|
|
| Secret Agent (TV series) - Shorty Pratt (1 episode, 1965) |
|
|
| Big Fish, Little Fish - Happy Roden |
|
|
| Theatre 625 (TV series) - Actor (1 episode, 1965) |
|
|
