In England, a boxer is sentenced to death for a murder he does not seem to have committed.... Anthony Gethryn, who has just resigned from the police on the occasion of his marriage, has three days left to find the real killer.

Jacqueline Delubac
Lady Gladys Carter-Fawcett

André Luguet
Detective Anthony Gethryn

Annie Vernay
Lucy Gethryn

Georges Lannes
Colonel Raverscourt

Sylvia Bataille
Anny, waitress

Paul Azaïs
Dollboys

Georges Grey
Captain Herbert Lake

Marcel Carpentier
Dyson

Georges Bever
Inspector Pike

Thomy Bourdelle
Bronson
Suzanne Guémard
Baron's wife

Marthe Mellot
Dollboys' mother

Henry Bonvallet
Roland Catalano

Paul Escoffier