- Brian Donlevy
- Cmdr. Ian McFarland
- Forrest Tucker
- Bill Rourk
- Ella Raines
- Louise Ryan
- John Russell
- Barney Walker
- Richard Jaeckel
- Tony Jessup
- William Murphy
- Sandy Jessup
- Martin Milner
- Al Prescott
- Steve Brodie
- 'Red' Toon
- Hugh O'Brian
- Tom Peterson
- Tom Powers
- Adm. Ryan
- Jack Pennick
- Coast Guardsman
- Olin Howland
- Desk Clerk
- Damian O'Flynn
- Capt. Adair
- Morris Ankrum
- Navy Captain
- James Flavin
- Cmdr. Rogers
- Roy Roberts
- Capt. Gibbs
- Sandra Spence
- Muriel
- Eric Pedersen
- Civilian Wrestler
- Sons of the Pioneers
- Musicians
- Ken Curtis
- Ken - Member Sons of the Pioneers
- Tommy Doss
- Tommy - Member Sons of the Pioneers
- Lloyd Perryman
- Lloyd - Member Sons of the Pioneers
- Shug Fisher
- 'Shug' - Member Sons of the Pioneers
- Murray Alper
- Medic / Interne (uncredited)
- Harry Antrim
- Admiral
- Mel Archer
- Workman
- John Baer
- Upper-Classman
- Pat Brady
- Pat Brady - Member Sons of the Pioneers
- Barbara Brier
- Sandy's Girlfriend
- Ralph Brooks
- Officer
- William Cabanne
- Aide
- Larry Carper
- Rugged Marine
- Larry Carr
- Soldier
- Kay Christopher
- Cassie
- John Close
- Marine
- Bob Coleman
- Referee
- James Conaty
- Naval Officer
- Johnny Dugan
- Navy Wrestler
- Roy Engel
- Voice from Crowd / Ship-Welder (uncredited)
- Charles Evans
- Waiter
- Franklyn Farnum
- Graduation Ceremony Attendee
- Hugh Farr
- Hugh - Member Sons of the Pioneers
- Karl Farr
- Karl - Member Sons of the Pioneers
- Charles Flynn
- Patrolman
- Ross Ford
- Male Secretary
- William Forrest
- Officer at Graduation Ceremony
- Don Haggerty
- Marine Captain
- John Halloran
- Fireman
- Sam Harris
- Graduation Ceremony Attendee
- Gil Herman
- Shore Patrolman
- James Hickman
- Ensign
- Stan Holbrook
- Spectator
- Jimmie Horan
- Sailor at Wrestling Match
- Clark Howat
- Coast Guard Academy Cadet Upper-Classman
- Patricia Joiner
- Minor Role
- Robert Karnes
- Shore Patrolman
- Kenner G. Kemp
- Naval Officer
- Phyllis Kennedy
- Plain Girl
- Milton Kibbee
- Waiter
- Anne Kimbell
- Tony's Girlfriend
- Jack Larson
- Newsboy
- Jimmy Lennon Sr.
- Announcer
- Jimmy Lloyd
- Upper Classman
- Kenneth MacDonald
- Army Officer
- John Marshall
- Gateman
- Vivian Mason
- Minor Role
- Shirley Mills
- Verna
- Bruce Morgan
- Cadet
- Forbes Murray
- Diner at Rooftop Restaurant
- William H. O'Brien
- Headwaiter
- William J. O'Brien
- Waiter at Rooftop Restaurant
- Ralph Sanford
- Cabbie
- Cosmo Sardo
- Diner at Rooftop Restaurant
- Jeffrey Sayre
- Naval Officer
- Robert Scott
- Signalman
- Emil Sitka
- Chief Boatswain Mate
- Tim Spencer
- Tim - Member Sons of the Pioneers
- Robert R. Stephenson
- Marine
- Hal Taggart
- Graduation Ceremony Attendee
- Tex Terry
- Master Sergeant
- Rick Vallin
- Marine
- Charles Victor
- Officer
- Peggy Webber
- Head Hostess
- Duke York
- Riveter
