Stanley Baker

Detective Inspector Jamieson

Denis Lill

Sgt. Beck

David Swift

Insp. Havelock

Derek Francis

Octavius Lamb

Barbara Leigh-Hunt

Madeleine

Simon Fisher-Turner

Steven (as Simon Turner)

Peter Sallis

Lloyd

Artro Morris

Mr. Humber

Gillian Raine

Miss Bennett

Michael Hawkins

Bardon

Ingrid Hafner

Mary

Bruce Boa

Professor Friedland

Cyril Shaps

Mr. Lavender

Shelagh Wilcocks

Mrs. Lavender

Honora Burke

Mrs. Bute

John Challis

Casson

Anthony Roye

Doctor Robson

Eve Karpf

Miss Compton

Anthony Bailey

Sgt. Latimer

Miles Anderson

P.C. Hanworth

Dennis Blanch

P.C. York

Cheryl Hall

Amy

Colin Edwynn

Michael

Mona Hammond

Nurse

Melinda Sheridan

Receptionist