Schlock

John Landis not only directed the film but also portrays the role of Schlock, the prehistoric ape causing chaos in the town.

Saul Kahan plays Detective Sgt. Wino, a law enforcement officer trying to stop the rampage of the prehistoric ape.

Joseph Piantadosi takes on the role of Ivan, a character caught up in the chaotic events unfolding in the town.

Eliza Roberts portrays Mindy Binerman, a character affected by the havoc caused by Schlock in the town.

Tom Alvich plays Torn Cop, a law enforcement officer dealing with the aftermath of Schlock's rampage.

Walter Levine is Police Thief, a character involved in the unfolding chaos caused by the prehistoric ape in the town.

Harriet Medin portrays Mrs. Binerman, a character impacted by the mayhem brought about by Schlock in the town.

Eric Sinclair, credited as Eric Allison, plays Joe Putzman, a character involved in the events triggered by Schlock's presence.

Charles Villiers takes on the role of Cal, a character navigating the chaos ensuing from the prehistoric ape's actions.

Ralph Baker portrays Dying Man, a character facing the consequences of the havoc caused by Schlock in the town.

John Chambers appears as National Guard Captain, a character responding to the crisis provoked by the prehistoric ape in the town.

Gene Fox plays the role of Billy, a character impacted by the chaos brought about by Schlock in the small town.