Who's Your Father is a 1935 British comedy film directed by Lupino Lane and starring Lane, Peter Haddon and Nita Harvey. It is a musical marriage mix-up film based on an original play by Mark Melford called Turned Up. Turned Up was a farce in three acts first produced in 1886 as Too Much Married and quickly re-named Turned Up. In 1926 Wylie-Tate produced a stage musical adaption by Arthur Rigby starring Lupino Lane and Mark Melford's nephew, Jack Melford.