Tarantula (1955)/Hey Arnold

Cast

 * Prof. Gerald Deemer as Arnold
 * Dr. Matt Hastings as Ernie
 * Stephanie Clayton as Helga
 * Sheriff Jack Andrews as Oskar
 * Joe Burch as Gerald
 * Lt. John Nolan as Harold
 * Josh as Principal Wartz
 * Barney Russell as Sid
 * Andy Andersen as Dino Spumoni