Underwater! is a 1955 adventure film about a man Johnny and his wife Theresa, along with mercenary Dominic Quesada, priest Father Cannon and Gloria, the boat owner, who go searching for sunken treasure in the Carribean. Whilst on a dive, the party are menaced by a band of modern-day pirates who also have their eyes on treasure.
Directed by: John Sturges
Starring: Jane Russell, Richard Egan
Distributed by: RKO