Derek (voice)
Derek (voice)
Dr. Hayes
Derek (voice)
Roadie (voice) (13 episodes)
Pac-Junior (voice) (2 episodes)
Earl of Kent
Smiley
Dr. Jim Belfield
Kid Comet (11 episodes)
Kid Comet (voice) (66 episodes)
Peter Grey (1 episode)
Producer (5 episodes)
Bill Herron
Lt. Jeremiah Sullivan
Harlan Thomas (1 episode)
Tommy Palmer (1 episode)
Teleplay (1 episode)
Story (1 episode)
Andy Miller (1 episode)
Lt. Mathew Perry (1 episode)
Danny Miles (1 episode)
Writer (3 episodes)
Cpl. Ben Canfield (17 episodes)
Frank Locke (1 episode)
Ashley Carstairs
Phil Morrisey (1 episode)
Danny Madikoff (1 episode)
Johnny Pearson (1 episode)
Lieutenant Jeremiah Sullivan (2 episodes)
Ashley Carstairs (2 episodes)
Davey Gillis (3 episodes)
David Morris
Andy Hill (1 episode)
Danny (1 episode)
Damon Ring, Jr. (1 episode)
Ensign Janoski (1 episode)
Matt Brand (1 episode)
Jack Evans (1 episode)
Yank (1 episode)
Jackie Blake (1 episode)
Joe Skinner (1 episode)
Steve Harris (1 episode)
Toby Bonham
Benjie Galt
Dave King
Merton Tollivar
Johnny Martin (1 episode)
Chet Sterling (1 episode)
Senior Cadet Pete Bennett
Swanson
Wilbur "Coney" Cohen
Robert Charles (1 episode)
Ens. Jack Wheelwright
Producer (219 episodes)
Bill Webber
Bob Jessup (1 episode)
Don Lindon (1 episode)
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
Danny Harland
Raymond Pringle
Ira Gershwin as a Boy
Eddie Rickenbacker as a boy
Sneezer
Johnny Tevis (uncredited)
Peter Bulganov
Peter Kent
Jeb Rickards
Lionel
'Blackie' - as a Boy
Tommy Gargan
David Engstrom
Johnny Smith
Billy Doran
Butch "Shrimp" Malone
Billy Phillips
Billy Freeman
Tommy
Mickey Moriarty
Victor as a boy
Homesteader's Son (uncredited)
Billy Bingham (uncredited)
Winfield
Child (uncredited)