Jean Marsh (Monica Barling), Michael Bates (Sergeant Spearman), Gerald Sim (Solicitor in Pub), Joby Blanshard (Man in Crowd), Gerry Cowper (Spectator at Opening Rally), June Ellis (Maisie - Barmaid), Drewe Henley (Undetermined Role), Noel Johnson (Doctor in Pub), Robert Keegan (Hospital Patient), Barbara Leigh-Hunt (Brenda Blaney), Bunny May (Barman), James Payne (Covent Garden - Taxi Driver), Elsie Randolph (Gladys), Madge Ryan (Mrs. Davison), Jack Silk (Police Driver), George Tovey (Neville Salt), Rita Webb (Mrs. Rusk), Richard Wyler (Truck Driver), Jeremy Young (Detective)

Arthur La Bern, Anthony Shaffer

Leonard J. South, Gilbert Taylor (I)

American Broadcasting Company (ABC), CIC, CIC Vídeo, MCA Home Video, Universal Pictures, Universal Pictures Benelux