Ann Blyth
Lady Mary
Edmund Purdom
Michael Dermott
David Niven
James - Duke of Brampton
George Sanders
King Charles II
Roger Moore
Jack
John Dehner
Captain Herrick
Sean McClory
Sheldon
Tudor Owen
Simon
Melville Cooper
Henry Wynch
Alan Mowbray
Sir Gilbert Talbot
Rhys Williams
Turnkey
Joan Elan
Charity Fell
Charles Davis
Apothecary
Ian Wolfe
Fell
Paul Cavanagh
Sir Edward Scott
Lillian Kemble-Cooper
Mrs. Fell
Isobel Elsom
Mrs. Bennett
Milton Parsons
Adam Urich
Lord Layton
Jacob Hall
Queenie Leonard
Apothecary's Wife
Owen McGiveney
Hoskins
Robert Dix
Husky
Michael Dugan
Husky
James Logan
Guard
Jimmy Aubrey
Little Man (uncredited)
Leonard Carey
Servant (uncredited)
Leslie Denison
Beadle (voice) (uncredited)
Ronald Green
Hired Swordsman (uncredited)
Peter Hansen
Sir Isaac Newton (uncredited)
Ramsay Hill
Lord (uncredited)
Charles Keane
Guard (uncredited)
Keith McConnell
Usher (uncredited)
John Monaghan
Shaddy (uncredited)
Matt Moore
Gentleman (uncredited)
Clive Morgan
Captain of Guards (uncredited)
Vesey O'Davoren
Courier (uncredited)
Gordon Richards
Courier (uncredited)
Lewis L. Russell
Gentleman (uncredited)
Gilchrist Stuart
Clerk (uncredited)
Trevor Ward
Perspiring Man (uncredited)
Trude Wyler
Celestine (uncredited)
Ashley Cowan
Edwin H. Knopf
Producer
Robert H. Planck
Cinematography
John McSweeney Jr.
Editor
Malcolm Brown
Art Direction
Cedric Gibbons
Art Direction
Richard Pefferle
Set Decoration
Edwin B. Willis
Set Decoration
Walter Plunkett
Costume Design
Sydney Guilaroff
Hair Designer
John Truwe
Makeup Artist
William Tuttle
Makeup Artist
Al Shenberg
Unit Manager
Robert Saunders
Assistant Director
Yakima Canutt
Second Unit Director
James Brock
Sound
Ed Haight
Sound Editor
Scott Perry Sr.
Sound Editor
Warren Newcombe
Special Effects
Matthew Yuricich
Matte Painter
Joe Canutt
Stunts
Alex Alexander
Musician
Virginia Majewski
Musician
Jack Marshall
Musician
Max Rabinowitz
Musician
Uan Rasey
Musician
Milton Raskin
Musician
Miklós Rózsa
Conductor
Eugene Zador
Orchestrator
Si Zentner
Musician
Robert Z. Leonard
Director
Joan Joseff
Other
John Lipow
Sound Editor
Miklós Rózsa
Original Music Composer
Robert Hardy Andrews
Story
Christopher Knopf
Writer
Hugo Fregonese
Director