William Powell

as Senator Melvin G. Ashton

Ella Raines

as Poppy McNaughton

Peter Lind Hayes

as Lew Gibson

Arleen Whelan

as Valerie Shepherd

Ray Collins

as Fred Houlihan

Allen Jenkins

as Farrell

Charles D. Brown

as Dinty

Hans Conried

as Waiter

Whit Bissell

as Robert Oakes

Milton Parsons

as 'You Know Who'

Francis Pierlot

as Frank

Oliver Blake

as Indian

Chief Thundercloud

as Indian (as Chief Thunder Cloud)

Chief Yowlachie

as Indian

Iron Eyes Cody

as Indian

Boyd Davis

as Politico

Rodney Bell

as Politico

Edward Clark

as Eddie

Cynthia Corley

as Helen

William Forrest

as U.S. Officer

Douglas Wood

as University President

George Mann

as Texan

Claire Carleton

as Ingrid Stuyvesant

William Vedder

as Book Dealer

Nina Lunn

as Girl in Elevator

John Wald

as Broadcaster

Vincent Pelletier

as Quiz Master

Myrna Loy

as Mrs. Ashton (uncredited)