ALAN LADD (Hugh Tallant), JAMES MASON (Cpt. Paul Gilbert), PATRICIA MEDINA (Sally Monroe), CEDRIC HARDWICKE (Gouv. Phillips), MURRAY MATHESON (Rév. Mortimer Thynne), DOROTHY PATTEN (Nellie Garth), JOHN HARDY (Nat Garth), HUGH PRYSE (Ned Inching), MALCOLM LEE BEGGS (Nick Sabb), ANITA BOLSTER (Moll), JONATHAN HARRIS (Tom Oakly), ALEC HARFORD (Jenkins), NOEL DRAYTON (Spencer), BRANDEN TOOMEY (un garde), BEN WRIGHT (Off. Green), BRUCE PAYNE (le médecin), HARRY MARTIN (un marin), PATRICK AHERNE (le contact de Bo), SKELTON KNAGGS (le prisonnier dessinant sur le mur de la cellule), DAVID TORRENCE (le directeur de la prison), MARGARET BREWSTER (une vieille femme prisonnière), PATRICK WHYTE (un garde), DON DUNNING, GEORGE W. WATKINS (les timoniers), BOBBY HALE (Tompkins), IVAN HAYES, GILCHRIST STUART, RUSSELL SAUNDERS (des marins), IVIS GOULDING, KEITH MCCONNELL, ANITA MARTELL, BARBARA BENDLE, GWEN CALDWELL, BERT RUMSEY, LINAD WHITTMAN (des prisonniers), SEAN MCCLORY (un sergent)