"An American officer goes undercover to unmask a Revolutionary War traitor."
Cornel Wilde
as Maj. John Boulton
Michael Wilding
as Maj. John Andre
George Sanders
as Dr. Jonathan Odell
Anne Francis
as Sally Cameron
Robert Douglas
as Gen. Benedict Arnold
John McIntire
as Gen. Robert Howe
Rhys Williams
as Peter Andre
John Dehner
as Nathanael Greene
Bobby Driscoll
as Ben Potter
James Westerfield
as Col. Jameson
Paul Cavanagh
as Sir Henry Clinton
Peter Adams
as Lt. Blair (uncredited)
Tristram Coffin
as Col. Varick (uncredited)
Robert Dix
as Lt. Evans
Michael Fox
as Maj. Russell
Paul Frees
as Narrator (voice)
Dabbs Greer
as Capt. Brewster
Robin Hughes
as Col. Tarleton
Bruce Lester
as Col. Simcoe
Frank Mills
as Tony (uncredited)
Gordon Richards
as Mr. Cameron
Robert Stevenson
as Stout Man (uncredited)
John Alderson
as Mr. Durkin
Chet Brandenburg
as Soldier (uncredited)
Jack Deery
Leslie Denison
as Capt. Sutherland (uncredited)
Jimmy Dime
Byron Foulger
as Man with Delivery for Mr. Moody (uncredited)
Don C. Harvey
as Captain Leading Squad at Execution (uncredited)
Olaf Hytten
as Maj. Andre's Butler (uncredited)
Manuel París
as Servant (uncredited)
Dick Simmons
as Sergeant with Signalman (uncredited)
John Sturges
Director
Karl Tunberg
Screenplay
Conrad Salinger
Original Music Composer
Walter Plunkett
Costume Design
Nicholas Nayfack
Producer
Ben Lewis
Editor
Kendrick Kinney
Sound Editor
