It's Alive (1969)

Name: It's Alive
Genre: Horror, Science Fiction, TV Movie
Released: 1969-10-30
Duration: 80 min
Cast: Tommy Kirk, Shirley Bonne, Bill Thurman, Annabelle Weenick, Corveth Ousterhouse

Trapped in a Cave of Terror!

A farmer traps three people in a cave with his pet prehistoric monster.