The Unknown Terror

Duane Grey as Lino Sir Lancelot as Sir Lancelot Richard Gilden as Raoul Koom Martín Garralaga as Lead Villager Patrick O'Moore as Dr. Willoughby John Howard as Dan Matthews Paul Richards as Peter Morgan Mala Powers as Gina Matthews May Wynn as Concha Ramsey Gerald Milton as Dr. Ramsey

Charles Marquis Warren Director Joseph F. Biroc Director of Photography Michael Luciano Editor