The troublesome daughter of an American millionaire accompanies him aboard his yacht on a deep sea diving expedition in the Red Sea and falls in love with the captain.
Sophia Loren
Barbara Lama
Steve Barclay
Paolo
Umberto Melnati
Sebastiano Lama
Alessandro Fersen
Prof. Krauss
Antonio Cifariello
Pierluigi
Masino Manunza
Masino
Ahmed Ben Yusuf
Kassin
Gualtiero De Angelis
Narratore (uncredited)
