Ronald Reagan
Cmdr. Casey Abbott (Captain, USS Starfish)
Acting
Nancy Reagan
Nurse Lt. Helen Blair
Acting
Arthur Franz
Lt. Cmdr. Don Landon (XO, USS Starfish)
Acting
Robert Arthur
Freddy Warren
Acting
William Leslie
Lt. Paul Prentice
Acting
William Phillips
Carroll (as William Phillips)
Acting
Harry Lauter
Lt. (j.g.) Wes Barton
Acting
Michael Garth
Bill aka Lt. Charlie
Acting
Joe Turkel
Chick (as Joseph Turkel)
Acting
Don Keefer
Jug
Acting
Chester W. Nimitz
Himself (in prologue) (uncredited)
Acting