Winfield

Bill Herron

Jeb Rickards

Young Sam

Larry Price

Ashley Carstairs

David Morris

Smiley

Al

Shanley

Danny Harland

Lionel

Derek (voice)

String

Butch "Shrimp" Malone

Tommy

Billy Doran

Tommy Gargan

Paul Enley Kyng

Flip

George 'Tough' McCarty

Wilbur "Coney" Cohen

Sneezer

Child (uncredited)

Derek (voice)

Joe

Derek (voice)

Harold 'Skinny' Peters

Billy Freeman

Merton Tollivar

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

Hank

Etienne

Dr. Hayes

Benjie Galt

Judd Tewilliger

Dexter Franklin

Raymond Pringle

Sam Hooper

Jeb

Matt Davis

Leo Emerson

Andy

Toby Bonham

Peter Kent

Self

Johnny Tevis (uncredited)

Mickey Moriarty

Swanson

Bob

Michael 'Micky' Clark

Johnny Smith

'Blackie' - as a Boy

Peter Bulganov

Ens. Jack Wheelwright

Self

Eddie Rickenbacker as a boy

Earl of Kent

Victor as a boy

Benny

Ira Gershwin as a Boy

Schoolboy

Billy Phillips

Dr. Jim Belfield

Lt. Jeremiah Sullivan

Dave King

Billy Bingham

David Engstrom

Frank

Senior Cadet Pete Bennett

Homesteader's Son (uncredited)

Bill Webber

Self