Self

Self

Derek (voice)

Derek (voice)

Dr. Hayes

Derek (voice)

Self (from Dangerous Years [1947]) (archive footage)

Earl of Kent

Smiley

Dr. Jim Belfield

Bill Herron

Lt. Jeremiah Sullivan

Ashley Carstairs

David Morris

Toby Bonham

Benjie Galt

Al

Dave King

Merton Tollivar

Jeb

Senior Cadet Pete Bennett

Swanson

Wilbur "Coney" Cohen

Andy

Ens. Jack Wheelwright

Bill Webber

String

George 'Tough' McCarty

Dexter Franklin

Paul Enley Kyng

Shanley

Larry Price

Harold 'Skinny' Peters

Matt Davis

Judd Tewilliger

Leo Emerson

Schoolboy

Michael 'Micky' Clark

Sam Hooper

Young Sam

Hank

Danny Harland

Raymond Pringle

Ira Gershwin as a Boy

Eddie Rickenbacker as a boy

Sneezer

Johnny Tevis (uncredited)

Joe

Peter Bulganov

Peter Kent

Jeb Rickards

Etienne

Lionel

'Blackie' - as a Boy

Tommy Gargan

Frank

David Engstrom

Johnny Smith

Billy Doran

Butch "Shrimp" Malone

Billy Phillips

Flip

Billy Freeman

Benny

Tommy

Mickey Moriarty

Victor as a boy

Homesteader's Son (uncredited)

Billy Bingham

Winfield

Bob

Child (uncredited)