Tia and Tony are two orphaned youngsters with extraordinary powers. Lucas Deranian poses as their uncle in order to get the kids into the clutches of Deranian's megalomaniacal boss, evil millionaire Aristotle Bolt, who wants to exploit them. Jason, a cynical widower, helps Tia and Tony escape to witch mountain, while at the same time Tia and Tony help Jason escape the pain of the loss of his wife.
Eddie Albert
as Jason O'Day
Ray Milland
as Aristotle Bolt
Donald Pleasence
as Lucas Deranian
Kim Richards
as Tia Malone
Ike Eisenmann
as Tony Malone
Walter Barnes
as Sheriff Purdy
Reta Shaw
as Mrs. Grindley
Denver Pyle
as Uncle Bene
Alfred Ryder
as Astrologer
Lawrence Montaigne
as Ubermann
Terry Wilson
as Biff Jenkins
George Chandler
as Grocer
