Tyrone Power as Jamie Waring

Maureen O'Hara as Lady Margaret Denby

Laird Cregar as Captain Henry Morgan

Thomas Mitchell as Tommy Blue

George Sanders as Captain Billy Leech

Anthony Quinn as Wogan

George Zucco as Lord Denby

Edward Ashley as Roger Ingram (uncredited)

Bonnie Bannon as Lady in Waiting in the Courtroom (uncredited)

Fortunio Bonanova as Don Miguel (uncredited)

John Burton as Captain Blaine (uncredited)

Rita Christiani as Dancer (uncredited)

Helene Costello as Woman (uncredited)

Bryn Davis as Woman (uncredited)

William Edmunds as Town Crier (uncredited)

Willie Fung as Chinese Cook (uncredited)

Jody Gilbert as Flossy Woman with Tommy (uncredited)

Arthur Gould-Porter as Assemblyman (uncredited)

Rondo Hatton as Sailor (uncredited)

Keith Hitchcock as Majordomo (uncredited)

Olaf Hytten as Clerk Reading Proclamation (uncredited)

Boyd Irwin as Assemblyman (uncredited)

Charles Irwin as Sea Captain (uncredited)

Jack Kenny as Pirate (uncredited)

George Kirby as Assemblyman (uncredited)

Frank Leigh as Sea Captain (uncredited)

Jack Low as Pirate (uncredited)

Frank McGrath as Pirate (uncredited)

Cyril McLaglen as Captain Jones (uncredited)

Charles McNaughton as Mr. Fenner (uncredited)

Clarence Muse as Margaret's Servant (uncredited)

Stuart Robertson as Captain Graham (uncredited)

Constantine Romanoff as Pirate (uncredited)

C. Montague Shaw as Assemblyman (uncredited)

Arthur Shields as The Bishop (uncredited)

David Thursby as Sea Captain (uncredited)

Frederick Worlock as Speaker of Assembly (uncredited)