John Gregson
- Compleanno:
- 03/15/1919
- Luogo di nascita:
- Liverpool, Merseyside, England, UK:
 | The Sport of Kings (1974) Narrator |
 | Tomorrow's Merseysiders (1974) Narrator (voice) |
 | Fright (1971) Dr. Cordell |
 | Hans Brinker (1969) Mijnheer Brinker |
| | Countercrime (1968) Det-Insp Conway |
 | The Night of the Generals (1967) Colonel Sandauer |
 | Tomorrow at Ten (1963) Inspector Parnell |
 | The Longest Day (1962) British Padre |
 | Live Now - Pay Later (1962) Callendar |
 | The Omega Mystery (1961) Butler |
 | The Frightened City (1961) Det. Insp. Sayers |
 | The Treasure of Monte Cristo (1961) Renato |
 | Hand in Hand (1961) Father Timothy |
 | Faces in the Dark (1960) Richard Hammond |
 | SOS Pacific (1959) Captain John 'Jack' Bennett |
 | The Captain's Table (1959) Capt. Albert Ebbs |
 | Sea of Sand (1958) Cpt Williams |
 | Rooney (1958) James Ignatius Rooney |
 | Miracle in Soho (1957) Michael Morgan |
 | True as a Turtle (1957) Tony Hudson |
 | The Battle of the River Plate (1956) Captain Bell - H.M.S. Exeter |
 | Jacqueline (1956) Mike McNeil |
 | Value for Money (1955) Chayley Broadbent |
 | Above Us the Waves (1955) Lieutenant Alec Duffy |
 | Three Cases of Murder (1955) Edgar Curtain ("You Killed Elizabeth" segment) |
 | To Dorothy, a Son (1954) Tony Rapallo |
 | The Crowded Day (1954) Leslie Randall |
 | Conflict of Wings (1954) Cpl. Bill Morris |
 | The Weak and the Wicked (1954) Dr. Michael Hale |
| | The Passionate Pilgrim (1953) Dr. Maclean |
 | Genevieve (1953) Alan McKim |
 | The Titfield Thunderbolt (1953) Squire Gordon Chesterford |
 | The Holly and the Ivy (1952) David Paterson |
 | Venetian Bird (1952) Renzo Uccello |
 | The Brave Don't Cry (1952) John Cameron |
 | Angels One Five (1952) Pilot Officer T.B. 'Septic' Baird |
 | The Lavender Hill Mob (1951) Farrow |
 | Treasure Island (1950) Redruth |
 | Cairo Road (1950) Coast Guardsman |
 | The Hasty Heart (1949) Recruit in Jungle (uncredited) |
 | Whisky Galore! (1949) Sammy MacCodrun |
 | Train of Events (1949) Malcolm Murray-Bruce |
 | Scott of the Antarctic (1948) P.O. T. Crean R.N. |
 | Saraband for Dead Lovers (1948) |