Character Name : Dr. Charles Conway

Original Name : John Carradine

Gender : Male

Character Name : Mark Houston

Original Name : Myron Healey

Gender : Male

Character Name : Grace Thomas

Original Name : Allison Hayes

Gender : Female

Character Name : Dr. Sharon Gilchrist

Original Name : Marilyn Buferd

Gender : Female

Character Name : Lobo

Original Name : Tor Johnson

Gender : Male

Character Name : Danny Green

Original Name : Arthur Batanides

Gender : Male

Character Name : Natalie Andries

Original Name : Sally Todd

Gender : Female

Character Name : Harry Jedrow

Original Name : Harry Fleer

Gender : Male

Character Name : Dr. Loren Wright

Original Name : Roy Gordon

Gender : Male

Character Name : Police Captain George Reagan

Original Name : Guy Prescott

Gender : Male

Character Name : Police Officer Miller

Original Name : Raymond Guth

Gender : Male

Character Name : Police Officer Ed

Original Name : Paul McWilliams

Gender : Male

Character Name : Screaming Woman

Original Name : Gloria Petroff

Gender : Male

Character Name : Monster in Basement (uncredited)

Original Name : Karl Johnson

Gender : Male

Character Name : Monster in Basement (uncredited)

Original Name : Harry Wilson

Gender : Male