William Powell
— Senator Melvin G. Ashton
Ella Raines
— Poppy McNaughton
Peter Lind Hayes
— Lew Gibson
Arleen Whelan
— Valerie Shepherd
Ray Collins
— Fred Houlihan
Allen Jenkins
— Farrell
Charles D. Brown
— Dinty
Hans Conried
— Waiter
Whit Bissell
— Robert Oakes
Milton Parsons
— 'You Know Who'
Francis Pierlot
— Frank
Oliver Blake
— Indian
Chief Thundercloud
— Indian (as Chief Thunder Cloud)
Chief Yowlachie
— Indian
Iron Eyes Cody
— Indian
Boyd Davis
— Politico
Rodney Bell
— Politico
Edward Clark
— Eddie
Cynthia Corley
— Helen
William Forrest
— U.S. Officer
Douglas Wood
— University President
George Mann
— Texan
Claire Carleton
— Ingrid Stuyvesant
William Vedder
— Book Dealer
Nina Lunn
— Girl in Elevator
John Wald
— Broadcaster
Vincent Pelletier
— Quiz Master
Myrna Loy
— Mrs. Ashton (uncredited)