Carroll Baker as Julie Spencer / Lillian Martin

Michael Craig as Arthur Anderson

Miranda Campa as Felicity Downing

José Luis López Vázquez as Inspector Dunphy

Enzo Garinei as The Priest

Phillip Ross as

Alberto Fernández as

Manuel Gallardo as Dr. Shepherd

Alberto Gonzales Espinosa as

Marina Malfatti as Julie Spencer

Lone Fleming as Mrs. Wood

Maria Gustafsson as Julie's Sister (uncredited)

Victor Harrington as Member of Anderson's Defence Team (uncredited)

George Hilsdon as Policeman in Court (uncredited)

Guy Standeven as Barrister (uncredited)

John Tatham as Juror (uncredited)