Brian Donlevy

Stefan Dubechek aka Steve Dangos

Ann Richards

Anna O'Rourke Dangos

Walter Abel

Howard Clinton

John Qualen

Anton Dubechek

Stephen McNally

Teddy Roosevelt Dangos / Narrator

Mary McLeod

Katina 'Tina' Dangos

Bob Lowell

George Washington Dangos

Erville Alderson

Olson - Detroit Auto Works Technician (uncredited)

Fred Aldrich

Assembly Line Worker (uncredited)

Axel Anderson

Immigrant (uncredited)

Charles Bates

Teddy Roosevelt Dangos - Age 8 (uncredited)

Byron Foulger

High School Principal (uncredited)

Noreen Nash

Vaudeville act (uncredited)

Sue Moore

Minor Role (uncredited)

King Vidor

Story

William Ludwig

Screenplay

A. Arnold Gillespie

Special Effects

King Vidor

Director

King Vidor

Producer

Douglas Shearer

Recording Supervision

Cedric Gibbons

Art Direction

Louis Gruenberg

Original Music Composer

Ben Libizer

Makeup Artist

Harold Rosson

Director of Photography

John Cooney

Electrician