Casting et fiche technique de L'impitoyable. 
Réalisation
Casting
Martha Vickers
Susan Duane
Susan Duane
Sydney Greenstreet
Buck Mansfield
Buck Mansfield
Diana Lynn
Mallory Flagg / Martha Burnside
Mallory Flagg / Martha Burnside
Raymond Burr
Pete Vendig
Pete Vendig
Louis Hayward
Vic Lambdin
Vic Lambdin
Ann Carter
Martha Burnside as Child
Martha Burnside as Child
Lucille Bremer
Christa Mansfield
Christa Mansfield
John Good
Bradford Duane
Bradford Duane
Edith Barrett
madame Burnside
madame Burnside
Dennis Hoey
monsieur Burnside
monsieur Burnside
Frederick Worlock
J. Norton Sims
J. Norton Sims
Claire Carleton
Bella
Bella
Charles Evans
Bruce McDonald
Bruce McDonald
Robert J. Anderson
Horace Vendig enfant
Horace Vendig enfant
Edna Holland
Libby Sims
Libby Sims
Zachary Scott
Horace Woodruff Vendig
Horace Woodruff Vendig
Joyce Arling
Kate Vendig
Kate Vendig
Arthur Stone
Vic Lambdin as Child
Vic Lambdin as Child
Scénario
Musique
