"Two ghosts, who were mistakenly branded as traitors during the Revolutionary War, return to 20th century New England to retrieve a letter from George Washington which would prove their innocence."
Bud Abbott
as Cuthbert Greenway / Dr. Ralph Greenway
Lou Costello
as Horatio Prim
Marjorie Reynolds
as Melody Allen
Binnie Barnes
as Mildred Dean
John Shelton
as Sheldon Gage
Gale Sondergaard
as Emily
Lynn Baggett
as June Prescott
Jess Barker
as Thomas Danbury
Ann Gillis
as Nora O'Leary
Donald MacBride
as Lt. Mason
William Hall
as Sgt. Conners
Robert Barrat
as Maj. Putnam
Rex Lease
as Sgt. Makepeace
Kirk Alyn
as Dandy at Party (uncredited)
Harry Brown
as Second Sergeant (uncredited)
George M. Carleton
as Museum Guard (uncredited)
Wheaton Chambers
as Bill - Museum Guard (uncredited)
James Conaty
as Party Guest (uncredited)
John Crawford
Vernon Downing
as Leigh - Traitor (uncredited)
Marjorie Eaton
as Bessie - Danbury's Maid (uncredited)
Myron Healey
Boyd Irwin
as Cranwell - Traitor (uncredited)
Selmer Jackson
as Mr. Dibbs - Museum Curator (uncredited)
William H. O'Brien
as Danbury Servant (uncredited)
Scott Thomson
Harry Woolman
as Motorcycle Rider (uncredited)
Charles Barton
Director
Val Burton
Screenplay
Walter DeLeon
Bradford Ropes
John Grant
Additional Dialogue
Producer
Joseph Gershenson
Executive Producer
Charles Van Enger
Director of Photography
Philip Cahn
Editor
Jack Otterson
Art Direction
Richard H. Riedel
Russell A. Gausman
Set Decoration
Ruby R. Levitt
Rosemary Odell
Costume Design
Seward Webb
Assistant Director
Milton Rosen
Original Music Composer