Wesley Addy

as Judge Grady

as Dr. Tarrant

as Dr. Towler

as Mr. Wentworth

as Nelson Chaney

as John P. Blandish

as Lt. Commander Alwin D. Kramer

as John

as Sheriff Standish

as Winthrop Trowbridge

as Marty McDonald

as Wolfgang Sulke

as Mr. Paul

as Dr. Paul Brucker

as Horatio "Hank" Teagle

as Lt. Pat Murphy