Lafayette Escadrille

Tab Hunter

Thad Walker

Etchika Choureau

Renee Beaulieu

Marcel Dalio

Drill Sergeant

David Janssen

Duke Sinclair

Paul Fix

U.S. General

Veola Vonn

The Madam

Will Hutchins

Dave Putnam

Clint Eastwood

George Moseley

Robert Hover

Dave Judd (as Bob Hover)

Tom Laughlin

Arthur Blumenthal

Brett Halsey

Frank Baylies

Henry Nakamura

Jimmy

Maurice Marsac

Sgt. Parris

Raymond Bailey

Amos J. Walker

William Wellman Jr.

Bill Wellman Sr.

Jody McCrea

Tom Hitchcock

Denny Devine

Lawrence 'Red' Scanion (as Dennis Devine)

Phil Adams

Landram Ovington (uncredited)

Louis Mercier

Captain Honore (uncredited)

Dick Rich

Policeman (uncredited)

Lomax Study

French Recruiting Officer (uncredited)