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.

Genres

Cast

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