Jean Spenser
Virginia McKenna
Matt Spenser
Bill Travers
Bell
George Cormack
Emmett
Stringer Davis
Taxi Driver
Michael Corcoran
Girl in Cinema (uncredited)
Liz Fraser
Actor in The Mystery of Hell Valley (uncredited)
Peter Copley
Mario Fabrizi
Cast Member uncredited)
Frazer Hines
Cast Member (uncredited)
Billy Lawrence
Mrs. Fazackalee
Margaret Rutherford
Percy Quill
Peter Sellers
Old Tom
Bernard Miles
Albert Hardcastle
Francis de Wolff
Robin Carter
Leslie Phillips
Marlene Hogg
June Cunningham
Mr. Hogg
Sid James
Commissionaire
George Cross
Production Runner
Michael Stevenson
Screenplay
John Eldridge
William Rose
Director
Basil Dearden
Boom Operator
Ken Ritchie