Reparto y equipo

Alfred Hitchcock

Jon Finch Richard Ian "Dick" Blaney

Barry Foster Robert "Bob" Rusk

Barbara Leigh-Hunt Brenda Margaret Blaney

Anna Massey Barbara Jane "Babs" Milligan

Alec McCowen DCI Tim Oxford

Vivien Merchant Mrs Oxford

Billie Whitelaw Hetty Porter

Clive Swift Johnny Porter

Bernard Cribbins Felix Forsythe

Michael Bates DS Spearman

Jean Marsh Monica Barling

John Boxer Sir George

Madge Ryan Mrs Davison

George Tovey Neville Salt

Elsie Randolph Gladys

Alfred Hitchcock

Ron Goodwin

Gilbert Taylor

John Jympson