Judy Geeson as Jacki

Martin Potter as Julian

Michael Redgrave as James Harrington-Smith

Alexis Kanner as Clive Landseer

Freddie Jones as David Curry

Mike Pratt as Rod Barstowe

Marian Diamond as Denise Pryce-Fletcher

Peter Jeffrey as Detective Inspector Kingsley

Terry Scully as Nigel Garfield

Daphne Heard as Mrs. McLaren

Joseph Fürst as Georgiu

Ricky Renée as Myra

Hilda Barry as Stallholder

Aubrey Morris as Houseboat Party Guest