Errol Flynn as Dr. Peter Blood

Olivia de Havilland as Arabella Bishop

Lionel Atwill as Colonel Bishop

Basil Rathbone as Levasseur

Ross Alexander as Jeremy Pitt

Guy Kibbee as Hagthorpe

Henry Stephenson as Lord Willoughby

Robert Barrat as Wolverstone

Hobart Cavanaugh as Dr. Bronson

Donald Meek as Dr. Whacker

Jessie Ralph as Mrs. Barlow

Forrester Harvey as Honesty Nutall

Frank McGlynn Sr. as Reverend Ogle

Holmes Herbert as Capt. Gardner

David Torrence as Andrew Baynes

J. Carrol Naish as Cahusac

Pedro de Cordoba as Don Diego

George Hassell as Governor Steed

Matthew Beard as Governor's Attendant

Harry Cording as Kent

Leonard Mudie as Baron Jeffreys

Ivan F. Simpson as Prosecutor

Stuart Casey as Capt. Hobart

David Cavendish as Lord Gildoy

Mary Forbes as Mrs. Steed

E. E. Clive as Clerk of the Court

Colin Kenny as Lord Chester Dyke

Maude Leslie as Mrs. Baynes

Gardner James as Slave

Vernon Steele as King James

Yola d'Avril as Girl in Tavern (uncredited)

Bobby Hale as Juror (uncredited)

Halliwell Hobbes as Lord Sunderland (uncredited)

Murray Kinnell as Court Clerk (uncredited)

Chris-Pin Martin as Sentry (uncredited)

James Pier Mason as Pirate (uncredited)

Louis Mercier as Pirate (uncredited)

Paul Panzer as Pirate (uncredited)

Frank Puglia as French Officer (uncredited)

Georges Renavent as French Captain (uncredited)

Tom Steele as Pirate (uncredited)

Jim Thorpe as Pirate (uncredited)

William Yetter Sr. as Pirate (uncredited)