John Warren (actor)

A very frequent actor in support roles Warren was a well-known face but not a well-known name (and often went uncredited). His need to choose a new name stemmed from the pre-existence of the actor Jack Warner who was operating out of the same studios.

• When the Bough Breaks (1947) guest at party (uncredited)
• The Mark of Cain (1947) as Mr Wilkins (uncredited)
• One Night With You (1948) as ticket collector
• My Brother's Keeper (1948) as motorist at Nora's Garage (uncredited)
• Mr. Perrin and Mr. Traill (1948) as chauffeur
• William Comes to Town (1948) as circus official
• Warning to Wantons (1949) (uncredited)
• It's Not Cricket (1949) as orderly
• Marry Me! (1949) as newspaper reporter (uncredited)
• Up for the Cup (1950) as Cartwright
• Traveller's Joy (1950) as embassy manager (uncredited)
• Seven Days to Noon (1950) (uncredited)
• Shadow of the Past (1950) as furniture man
• The Reluctant Widow (1950)
• The Astonished Heart (1950) as barman
• Boys in Brown (1949) signalman (uncredited)
• A Case of Poisoning (1949) as the butcher
• Diamond City (1949) as the town crier
• The Franchise Affair (1951) as Charlie the pub landlord
• Laughter in Paradise (1951) as card player (uncredited)
• A Case for PC 49 (1951) as Coffee Dan
• High Treason (1951) as barman (uncredited)
• Encore (1951) as ship's officer in "Winter's Cruise" section
• Mr. Denning Drives North (1951) as Mr Ash
• Stolen Face (1952) as railway guard
• Gift Horse (1952) as man in crowd (uncredited)
• The Lost Hours (1952) as man with dog
• Made in Heaven (1952) as Keeper of the Wheel (uncredited)
• The Net (1953) as Ted (uncredited)
• Top of the Form (1953) as bookie (uncredited)
• Glad Tidings (1953) as barman
• Personal Affair (1953) as man in news room (uncredited)
• Meet Mr. Lucifer (1953) as man with hammer (uncredited)
• 36 Hours (1953) as clerk (uncredited)
• Trouble in Store (1953) as Master of Ceremonies (uncredited)
• Stryker of the Yard (1953)
• Hell Below Zero (1954) as hotel receptionist
• Fast and Loose (1954) as chauffeur
• Up to His Neck (1954) as Collins
• To Dorothy a Son (1954) as waiter (uncredited)
• Police Dog (1955) as Clerk of Works
• Passage Home (1955) as Cook
• One Good Turn (1955) as ticket collector (with Norman Wisdom)
• Bride of the Monster (1955) as Jake
• The Woman for Joe (1955) as workman in pub (uncredited)
• Secret Venture (1955) as bargee (uncredited)
• Portrait of Alison (1955) as postman (uncredited)
• Private's Progress as Sgt Major Gradwick
• Jumping for Joy (1956) as commentator at racetrack (uncredited)
• The Feminine Touch (1956) (uncredited)
• The Iron Petticoat (1956) as airport official (uncredited)
• Eyewitness (1956) as Joe the barman at British Legion (uncredited)
• The Last Man to Hang (1956) as passport official (uncredited)
• The Battle of the River Plate (1956) as chief signalman on HMS Exeter (uncredited)
• Brothers in Law (1957) as Mr Venner
• A Night To Remember (1958) as crewman on Titanic (uncredited)
• Up the Creek (1958) as Cooky
• Further Up the Creek (1959) as Cooky
• Free Love Confidential (1970)

• She Stoops to Conquer (1949 TV movie) as Stingo and Jeremy
• Stryker of the Yard (1961)
• Homicide (1967) as Sikorski