John Bentley
— Lt. Cmdr. Paul Turner
Brett Halsey
— Lt. (J. G.) David Shore
Wayne Heffley
— Cmdr. Dean Stoker
Steve Mitchell
— CPO Andy Flowers
Frank Watkins
— Bearded Sonar Man
Marilyn Hanold
— Nancy
Paul Maxwell
— Lt. Cmdr. Bill Hallohan
Nicky Blair
— Sam
Frank Gerstle
— Capt. Boardman
Jan Brooks
— Mrs. Ellen Turner
Frank Ray Perilli
— Shore Patrolman
Edmund Cobb
— Officer