Virginia McKenna

Jean Spenser

Bill Travers

Matt Spenser

Margaret Rutherford

Mrs. Fazackalee

Peter Sellers

Percy Quill

Bernard Miles

Old Tom

Francis de Wolff

Albert Hardcastle

Leslie Phillips

Robin Carter

June Cunningham

Marlene Hogg

Sid James

Mr. Hogg

Stringer Davis

Emmett

Liz Fraser

Girl in Cinema (uncredited)

Peter Copley

Actor in The Mystery of Hell Valley (uncredited)

Mario Fabrizi

Actor in The Mystery of Hell Valley (uncredited)

Frazer Hines

Cast Member uncredited)