Hywel Bennett
— Mick Goonahan
Nanette Newman
— Kate Goonahan
Milo O'Shea
— Father Andrew
Angharad Rees
— Jackie
Nicky Henson
— Baker
Madeline Smith
— Miss Partridge
Peter Barkworth
— Bra Factory Director
John Cleese
— Contraceptives Lecturer
Cheryl Hall
— Pregnant Girl #1
Jacki Piper
— Pregnant Girl #2
Marianne Stone
— Customer in Chemists
Antonia Ellis
— Bra Model
David Howey
— Barber #1
Tommy Godfrey
— Barber #2
Nina Baden-Semper
— Skyline Waitress
James Leith
— Policeman #1
Tony Haygarth
— Policeman #2
Georgina Hale
— Joyce
Pauline Delaney
— Mrs Hale
Michael Sharvell-Martin
— Bra Factory Designer
Ellis Dale
— Chemist
Angela Pleasence
— Mick's Secretary
Parnell McGarry
— Nun
Nicola Austin
— Fantasy Girl
Russell Lewis
— Jonathan
James Payne
— Supporting Artist (uncredited)