As Long as They're Happy is a comedy play by the British writer Vernon Sylvaine which was first staged in 1953.

A successful hit, it ran at the Garrick Theatre in the West End for 370 performances between July 1953 and May 1954.

[1] Veteran entertainer Jack Buchanan directed and starred as a stockbroker trying to cope with the extravagant behaviour of his daughters.

Other members of the cast included Dorothy Dickson, Nigel Green, David Hutcheson and Stephen Hancock.

[2] In 1955 it was made into a musical film directed by J. Lee Thompson and with Buchanan reprising his starring role.