One Wild Oat is a 1951 British comedy film directed by Charles Saunders and starring Stanley Holloway, Robertson Hare and Sam Costa with pre-stardom appearances by Audrey Hepburn and Roger Moore as extras.

The plan backfires when Alfred Gilbey, the daughter's would-be father-in-law, threatens to reveal the barrister's own shady background.

It was made at the Riverside Studios in Hammersmith with sets designed by the art director Ivan King.The stage production debuted at the Garrick Theatre in London and was directed by Jack Buchanan.

The Monthly Film Bulletin wrote: "This is a routine adaptation of the stage farce, cast in the familiar mould.

"[2] Variety wrote: "A successful British stage farce of last season, One Wild Oat has been transferred to the screen with the minimum of adjustment.