Faulkner started his career at Corona Academy at the age of eleven and moved on to an adult career in film and television in the late 1950s and early 1960s before leaving the "business" and moving to Australia, with the Telephone Rentalstelecommunications company he then worked with, along with his wife Pat and two sons Lee and Simon. In the late 1940s, he appeared at the London Coliseum in Annie Get Your Gun playing Annie Oakley's brother Little Jake. In 1951, he appeared at Stratford-upon-Avon's Memorial Theatre during the Festival of Britain Season, playing Falstaff's Page in Henry IV and the Boy in Henry V. This was followed by an extensive tour of Britain with the Elizabethen Theatre Company, performing various Shakespearean productions. In the 1950s, Keith Faulkner was known for his roles as Ginger in Just William and Bob Cherry in Billy Bunter of Greyfriars School (both BBC TV series) and also featured in juvenile roles in a number of feature films. In the early 1960s, he appeared in several B-film thrillers and crime films and starred in The Man in the Back Seat, and Strongroom. His last screen credit was in 1963.
- The Happiest Days of Your Life (1950)
- Laxdale Hall (1953)
- Johnny on the Run (1953)
- The Blue Peter (1955)
- Yangtse Incident (1957)
- Tunes of Glory (1960)
- Linda (1960)
- The Sinister Man (1961)
- Payroll (1961)
- The Man in the Back Seat (1961)
- The Pot Carriers (1962)
- Strongroom (1962)
- It's All Happening (1963)
- "Keith Faulkner".
- "Keith Faulkner - Theatricalia". theatricalia.com.
- McFarlane, Brian (16 May 2016). "The Encyclopedia of British Film: Fourth edition". Oxford University Press – via Google Books.
- "Keith Faulkner - Movies and Filmography - AllMovie". AllMovie.