"A private eye is hired to go undercover at a health farm, but before he can find out why his client is murdered."
Terry-Thomas
as Capt. J. (Jeroboam) Barker-Rynde PI
Eric Sykes
as Rumbelow
Lionel Jeffries
as Det. Insp. Hook
Dennis Price
as Dr. Julian Crossley
Moira Redmond
as Frances Roitman
David Lodge
as Richards
Ronnie Barker
as Burton
Derren Nesbitt
as Roger Forrester
Anna Russell
as Mrs. Margaret Clifford
Julian Orchard
as PC Lofthouse
Katya Douglas
as Rita
Harry Locke
as Higgins
Peter Butterworth
as Barman
George Pollock
Director
Ray Freeborn
Third Assistant Director
