20,000 laughs under the sea!
A World War II submarine commander finds himself stuck with a damaged sub, a con-man executive officer, and a group of army nurses.
Cary Grant
Lieutenant Commander Matt Sherman
Tony Curtis
Lieutenant Nicholas Holden
Joan O'Brien
2nd Lieutenant Dolores Crandall
Dina Merrill
2nd Lieutenant Barbara Duran
Gene Evans
Chief Molumphry
Dick Sargent
Ensign Stovall (as Richard Sargent)
Virginia Gregg
Major Edna Heywood
Robert F. Simon
Captain J.B. Henderson
Robert Gist
Lieutenant Watson
Gavin MacLeod
Yeoman Ernest Hunkle
George Dunn
Prophet
Dick Crockett
Petty Officer Harmon
