Mike Nelson is a S.C.U.B.A. diver in the days when it was still very new. He works alone, and the plot was mostly carried through his voice-over narrations. These gave the show a flavor of a radio program. Typical adventures were finding a downed satellite or sunken treasure.
Director:
Cast: Lloyd Bridges, Ken Drake, Courtney Brown, Jan Harrison, William Boyett, Richard Probert, Russ Conway, Leonard Nimoy, Frank Warren, Zale Parry, John Zaremba, Ross Elliott, A.G. Vitanza, Anthony George, Lisa Gaye, Rodolfo Hoyos Jr., Ric Marlow, Charles Maxwell