Kenneth Williams as Desmond Simkins

Barbara Windsor as Daphne Honeybutt

Bernard Cribbins as Harold Crump

Charles Hawtrey as Charlie Bind

Eric Barker as The Chief

Dilys Laye as Lila

Jim Dale as Carstairs

Richard Wattis as Cobley

Eric Pohlmann as The Fat Man

Victor Maddern as Milchmann

Judith Furse as Doctor Crow

John Bluthal as Head Waiter/Voice of Dr Crow

Renée Houston as Funhouse Madame

Tom Clegg as Funhouse Doorman

Jack Taylor as Thug

Bill Cummings as Thug

Gertan Klauber as Code Clerk

Hugh Futcher as Bed-of-Nails Native

Frank Forsyth as Prof. Stark

Norman Mitchell as Native Policeman/Algerian Gent

Derek Sydney as Algerian Gent

Anthony Baird as Guard

Jill Mai Meredith as Cigarette Girl

Angela Ellison as Cloakroom Girl

Heather Downham as Amazon Guard (uncredited)

Sally Douglas as Amazon Guard (uncredited)

Marian Collins as Amazon Guard (uncredited)

Maya Koumani as Amazon Guard (uncredited)

Jane Lumb as Amazon Guard (uncredited)

Christine Rodgers as Amazon Guard (uncredited)

Vicki Smith as Amazon Guard (uncredited)

Audrey Wilson as Amazon Guard (uncredited)

Virginia Tyler as Funhouse Girl (uncredited)

Judi Johnson as Funhouse Girl (uncredited)

Gloria Best as Funhouse Girl (uncredited)