Elke Sommer as Professor Anna Vooshka

Kenneth Williams as Professor Roland Crump

Bernard Bresslaw as Arthur Upmore

Kenneth Connor as Major Leep

Jack Douglas as Ernie Bragg

Joan Sims as Daphne Barnes

Windsor Davies as Fred Ramsden

Peter Butterworth as Henry Barnes

Liz Fraser as Sylvia Ramsden

Patsy Rowlands as Linda Upmore

Ian Lavender as Joe Baxter

Adrienne Posta as Norma Baxter

Patricia Franklin as Vera Bragg

Donald Hewlett as The Dean

Carol Hawkins as Sandra

Marianne Stone as Mrs Rowan

Helli Louise as Nudist

Sherrie Hewson as Carol

David Lodge as Landlord

George Layton as Doctor

Brian Osborne as Bob

Larry Dann as Clive

Georgina Moon as Sally

Diana Darvey as Maureen

Jenny Cox as Veronica

Larry Martyn as Electrician

Linda Hooks as Nurse

Kenneth Waller as Barman

Billy Cornelius as Man with salad

Melita Manger as Woman with salad

Hugh Futcher as Painter

Jeremy Connor as Student with ice cream

Alexandra Dane as Lady in low-cut dress