The Magnificent Dope

Henry Fonda

as Thadeus Winship 'Tad' Page

Lynn Bari

as Claire Harris

Don Ameche

as Dwight Dawson

Edward Everett Horton

as Horace Hunter

George Barbier

as James Roger Barker

Frank Orth

as Messenger

Roseanne Murray

as Dawson's Secretary

Marietta Canty

as Jenny

Hobart Cavanaugh

as Albert Gowdy

Hal K. Dawson

as Charlie

Josephine Whittell

as Mrs. Hunter

Arthur Loft

as Mr. Morton, Fire Engine Salesman

Paul Stanton

as Peters

Claire Du Brey

as Peter's Secretary

William B. Davidson

as Mr. Reindel

Harry Hayden

as Mitchell

Pierre Watkin

as Carson

Bess Flowers

as Birthday Party Guest (uncredited)

Byron Foulger

as Fifth Man to Leave Class (uncredited)

Charles Trowbridge

as Examining Doctor (uncredited)