David Huffman portrays Harry Caulder, a police detective investigating the bizarre disappearances at the beach.
Marianna Hill plays Catherine Hutton, a character involved in the investigation of the creature terrorizing the beach.
Burt Young takes on the role of Sergeant Royko, a tough police officer trying to solve the mystery.
John Saxon embodies Captain Pearson, a seasoned authority figure leading the investigation.
Otis Young is Lieutenant Piantadosi, assisting in the efforts to uncover the truth behind the beach horror.
Lena Pousette stars as Marie, a character caught up in the chaos caused by the monstrous creature.
Darrell Fetty appears as Hoagy, a local resident affected by the terrifying events unfolding at the beach.
Stefan Gierasch portrays Dr. Dimitrios, a knowledgeable individual who may hold key information about the creature.
Ian Abercrombie plays the Man in Mayor's Office, a minor character involved in the town's response to the escalating situation.
Mary Jo Catlett appears as Harriett Crabbe, a resident of the town affected by the terror unfolding at the beach.
Harriet Medin takes on the role of Ruth Hutton, a character entangled in the dangerous events occurring on the beach.
Laura Burkett portrays the Girl in Sand, a minor character who encounters the monster lurking beneath the beach.
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