U. S. Navy Lieutenant Gregg Masterman, of The Harvard and Boston Back Bay Mastermans, learned about the sea while winning silver cups sailing his yacht. He climbs swiftly in rank, and is now Junior Aide to Rear Admiral Stephen Thomas.
Robert Taylor
as Lieut. Gregg Masterman
Charles Laughton
as Rear Admiral Stephen Thomas
Brian Donlevy
as Lieut. Cmdr. Martin Roberts
Walter Brennan
as Chief Yeoman Henry Johnson
Chill Wills
as Mate Jenks, Chef-Bootsmann
Marilyn Maxwell
as Audrey Carr
Henry O'Neill
as Cmdr. Stone M.C
Marta Linden
as Mary Collins
Douglass Dumbrille
as Capt. Ludlow
Richard Quine
as Ensign Lindsay
William Tannen
as Flag Lt. Dudley
Douglas Fowley
as Ensign Martin
