Full Credits
27 members

Bud Abbott
Cuthbert Greenway / Dr. Ralph Greenway

Lou Costello
Horatio Prim

Marjorie Reynolds
Melody Allen

Binnie Barnes
Mildred Dean

John Shelton
Sheldon Gage

Gale Sondergaard
Emily

Lynn Baggett
June Prescott

Jess Barker
Thomas Danbury

Ann Gillis
Nora O'Leary

Donald MacBride
Lt. Mason

William Hall
Sgt. Conners

Robert Barrat
Maj. Putnam

Rex Lease
Sgt. Makepeace

Kirk Alyn
Dandy at Party (uncredited)
Harry Brown
Second Sergeant (uncredited)

George M. Carleton
Museum Guard (uncredited)

Wheaton Chambers
Bill - Museum Guard (uncredited)
James Conaty
Party Guest (uncredited)

John Crawford
Dandy at Party (uncredited)

Vernon Downing
Leigh - Traitor (uncredited)

Marjorie Eaton
Bessie - Danbury's Maid (uncredited)

Myron Healey
Dandy at Party (uncredited)

Boyd Irwin
Cranwell - Traitor (uncredited)

Selmer Jackson
Mr. Dibbs - Museum Curator (uncredited)

William H. O'Brien
Danbury Servant (uncredited)
Scott Thomson
Dandy at Party (uncredited)
Harry Woolman
Motorcycle Rider (uncredited)
16 members
Charles Barton
Director
Seward Webb
Assistant Director
Walter DeLeon
Screenplay
Val Burton
Screenplay
Bradford Ropes
Screenplay
Val Burton
Producer
Joseph Gershenson
Executive Producer
Charles Van Enger
Director of Photography
Milton Rosen
Original Music Composer
Jack Otterson
Art Direction
Russell A. Gausman
Set Decoration
Richard H. Riedel
Art Direction
Ruby R. Levitt
Set Decoration
Rosemary Odell
Costume Design
Philip Cahn
Editor
John Grant
Additional Dialogue