Harry H. Corbett as Sidney Bung

Kenneth Williams as Orlando Watt

Jim Dale as Albert Potter

Charles Hawtrey as Dan Dann

Fenella Fielding as Valeria Watt

Joan Sims as Emily Bung

Angela Douglas as Doris Mann

Bernard Bresslaw as Sockett

Peter Butterworth as Detective Constable Slobotham

Jon Pertwee as Doctor Fettle

Michael Ward as Mr. Vivian

Tom Clegg as Oddbod

Billy Cornelius as Oddbod Junior

Norman Mitchell as Cabby

Frank Thornton as Mr. Jones

Frank Forsyth as Desk Sergeant

Marianne Stone as Mrs. Parker

Anthony Sagar as Policeman

Sally Douglas as Girl

Denis Blake as Rubbatiti

Alexandra Dane as Stout Woman

Gerald Thomas as Oddbod Junior (voice)