Sidney Poitier

Mark Thackeray

Christian Roberts

Denham

Judy Geeson

Pamela Dare

Suzy Kendall

Gillian Blanchard

Lulu

Barbara 'Babs' Pegg

Ann Bell

Mrs. Dare

Geoffrey Bayldon

Theo Weston

Faith Brook

Grace Evans

Patricia Routledge

Clinty Clintridge

Christopher Chittell

Potter

Lynne Sue Moon

Miss Wong

Adrienne Posta

Moira Joseph

Edward Burnham

Florian

Rita Webb

Mrs. Joseph

Mona Bruce

Josie Dawes

Marianne Stone

Gert

Sally James

Schoolgirl

Michael Des Barres

Williams

Stewart Bevan

Schoolboy

Cyril Shaps

Mr. Pinkus (uncredited)

Fred Griffiths

Mr. Clark

Eric Stewart

Band Member - Guitar, Vocals (as 'The Mindbenders')

Nicholas Young

Schoolboy (uncredited)