93 mins | Action, Science Fiction | July 16, 1971
93 mins | Action, Science Fiction | July 16, 1971
| IMDb rating | 5.1 |
| Producers | Warner Bros. Television, Kent Productions, Motion Pictures International |
| Original title | City Beneath the Sea |
| Directors | Cleo Anton, Irwin Allen |
| Writers | John Meredyth Lucas, Irwin Allen |
as Adm. Michael Matthews
as Brett
as Lia Holmes
as Cmdr. Woody Patterson
as Aguila
as Elena
as Barton
as Prof. Holmes
as The President
as Dr. Ziegler
as Dr. Talty
as Capt. Hunter
as Quinn
as Bill Holmes
as Capt. Lunderson
as Young Officer
as Dr. Burkson
as Blonde Woman
as Gen. Putnam
as Tony
as Sally
as Security Guard
as Triton Controller
as Scientist (uncredited)
as Technician (uncredited)
as Scientist (uncredited)
as Scientist (uncredited)