Kadro (15)
Arthur FranzDonald Blake
Joanna MooreMadeline Howard
Judson PrattLt. Mike Stevens
Nancy WaltersSylvia Lockwood
Troy DonahueJimmy Flanders
Helen WestcottNurse Molly Riordan
Alexander LockwoodProf. Gilbert Howard
Whit BissellDr. Oliver Cole
Ross ElliottSgt. Eddie Daniels
Phil HarveySgt. Powell
Hank PattersonTownsend - Night Watchman
Richard H. CuttingTom Edwards - Forest RangerRonnie Rondell Jr.Student
Eddie ParkerDonald as a MonsterAnne AndersonStudent