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