George Baker

Prof. Gottlieb

Felicity Devonshire

Cathy

Anna Bergman

Suzy

Suzy Mandel

Erica

Heather Deeley

Marion

Peter Blake

John

Queenie Watts

John's mother

Hugh Lloyd

John's father

Ian Hendry

Uncle Rodney

Chet Townsend

Nick

Johnny Vyvyan

Jockey

Joyce Blair

Beryl

Monika Ringwald

Naked secretary

Norman Chappell

Principal

Lindy Benson

Blonde wife (as Linda Benson)

Tudor Gates