Stanley Baker
Detective Inspector Jamieson
Acting
Denis Lill
Sgt. Beck
Acting
David Swift
Insp. Havelock
Acting
Derek Francis
Octavius Lamb
Acting
Barbara Leigh-Hunt
Madeleine
Acting
Simon Fisher-Turner
Steven (as Simon Turner)
Sound
Peter Sallis
Lloyd
Acting
Artro Morris
Mr. Humber
Acting
Gillian Raine
Miss Bennett
Acting
Michael Hawkins
Bardon
Acting
Ingrid Hafner
Mary
Acting
Bruce Boa
Professor Friedland
Acting
Cyril Shaps
Mr. Lavender
Acting
Shelagh Wilcocks
Mrs. Lavender
Acting
Honora Burke
Mrs. Bute
Acting
John Challis
Casson
Acting
Anthony Roye
Doctor Robson
Acting
Eve Karpf
Miss Compton
Acting
Anthony Bailey
Sgt. Latimer
Acting
Miles Anderson
P.C. Hanworth
Acting
Dennis Blanch
P.C. York
Acting
Cheryl Hall
Amy
Acting
Colin Edwynn
Michael
Acting
Mona Hammond
Nurse
Acting
Melinda Sheridan
Receptionist
Acting