Frederick David Griffiths was an English film and television actor. A former London cabbie and wartime fire fighter discovered by director Humphrey Jennings, and cast in his documentary film Fires Were Started in 1943; and over the next four decades played supporting roles and bit parts in 150 films, including various Ealing, Boulting Brothers and Carry On comedies, before eventually retiring in 1984.

Turn the Key Softly is a 1953 British drama film directed by Jack Lee and starring Yvonne Mitchell, Joan Collins, Kathleen Harrison, and Terence Morgan. Lee and producer Maurice Cowan also wrote the screenplay, based on the 1951 novel of the same title by John Brophy, dealing with the first 24 hours of freedom for three women released on probation from prison on the same morning. It was shot at Pinewood Studios and on location around London. The film's sets were designed by the art director Donald M. Ashton. It was released by Rank's General Film Distributors.