Crew of an undersea mining platform falls prey to mysterious and dangerous parasite. The parasite has the ability to affect people's minds, so survivors can't be certain who is safe and who is infected.
Roddy McDowall
Dr. Henry Lazarus
Alex Hyde-White
Jedidiah Pickett
Melanie Shatner
Catherine Harding
Don Stroud
Louis
Rodger Halston
Wyatt
Emile B. Levisetti
Brill
Richard Biggs
Hawkes
Sha-Ri Pendelton
Fife
