Alan Ladd
— Hugh Tallant
James Mason
— Capt. Paul Gilbert
Patricia Medina
— Sally Munroe
Cedric Hardwicke
— Gov. Phillip
Murray Matheson
— Rev. Mortimer Thynne
Anita Sharp-Bolster
— Moll Cudlip (as Anita Bolster)
Jonathan Harris
— Tom Oakly
Hugh Pryse
— Ned Inching
Dorothy Patten
— Mrs. Nellie Garth
John Hardy
— Nat Garth
Malcolm Lee Beggs
— Nick Sabb
Alec Harford
— Brig-keeper Jenkins
Noel Drayton
— Second Mate Spencer
Brandon Toomey
— Guard (as Brendan Toomey)
Ben Wright
— Deck Officer Green
Patrick Whyte
— Guard