Monstroid Buried in the mud of countless centuries — something has begun to grow.... Release date: 1980-07-11 Genres: Horror, Science Fiction Actors: John Carradine, Philip Carey, Anthony Eisley, Aldo Sambrell, James Mitchum, Hanna Landy, Carolyn Martin, Luis Suárez, Glenn Ransom, María Rubio, Coral Kassel, Fernando Corredor, Andrea Hartford, Roberto Martínez, Emanuel Smith, Steven Fisher, John Lamarr, Roger Clark, Felicia Robbins, Connie Moore, Jack Lamont, Paolo C'd Baca, Kelly Sill, Monte Cook, Stella Calle, Leslie Meigs, Henry Gabaldon, Pam Day, Jannine May, Jade Stuart Production: Glen Hartford Runtime: 1 h. 38 min. Score: 3.4/10 Votes: 16 Countries: United States of America Companies: Academy International Available* : Overview: A rural Colombian village is attacked by a horrible sea serpent, aroused by industrial pollution of a nearby lake. Based on a real event that took place in June of 1971.