Fred MacMurray
— Daniel Bellamy
Claudette Colbert
— Peggy Martin
Gil Lamb
— Albert W. Beagell
Cecil Kellaway
— Marvin P. Meglin
Robert Benchley
— Judge Robert Simpson
Tom Powers
— Commander Harry Harpe
Jane Frazee
— Jane Frazee - Vocalist
Rosemary DeCamp
— Ellen Macy
Isabel Randolph
— Mrs. Meglin
Mikhail Rasumny
— LaCrosse
Bobby Barber
— Man on Subway (uncredited)
Byron Barr
— Navigator (uncredited)
Hugh Beaumont
— Film-Cutter (uncredited)
Maurice Costello
— Senate Stenographer (uncredited)
Yvonne De Carlo
— Office Clerk (uncredited)
Eddie Hall
— PBY Radio Man (uncredited)
Edwin Maxwell
— Radio Official (uncredited)
Will Wright
— Sen. Cowling (uncredited)