"Actors rehearsing a show at a mysterious seaside theater are being killed off by an unknown maniac."
Jenny Hanley
as Julia Dawson
Ray Brooks
as Mike
Luan Peters
as Carol Edwards
Candace Glendenning
as Sarah
Robin Askwith
as Simon
Tristan Rogers
as Tony Weller
Judy Matheson
as Jane
David Howey
as John
Elizabeth Bradley
as Mrs. Saunders
Rodney Diak
as Warner
Penny Meredith
as Angela
Sally Lahee
as Iris Vokins
John Yule
as Gerry
Raymond Young
as Insp. Walsh
Carol Allen
as Librarian
Alan Curtis
as Jack Phipps
Brian Tully
as Willesden
Jane Cardew
as Lady Pamela
Tom Mennard
as Fred
Stewart Bevan
as Harry Mulligan
Michael Knowles
as Curran
Kent Baker
as Mortuary Attendant
Jess Conrad
as Young Actor
Patrick Barr
as Major Bell / Sir Arnold Gates
Pete Walker
Director
Alfred Shaughnessy
Screenplay
Producer
Cyril Ornadel
Original Music Composer
Peter Jessop
Director of Photography
Ron Pope
Editor
Bill Lodge
Makeup Artist
John Metcalfe
Camera Operator
Peter O'Connor
Sound Recordist
Tim Ross
Focus Puller
Brian Lawrence
Assistant Director
Paul Fell
Nick Flowers
Boom Operator
Jim Davis
Gaffer
Robert Fennell
Production Manager
Tony Anscombe
Sound Mixer
Conductor
Matt McCarthy
Post Production Supervisor
