Guest Stars Keenan Wynn as Captain Joe Siska Randy Boone as Gene the Fiddler Johnny Silver as Pepe LaRue Severn Darden as Dr. Aaron Pollack Co Starring Jack Grinnage as Ron Updyke Ruth McDevitt as Emily Cowles Ned Glass as Superintendant Virginia Gregg as Dr. Hollenbeck Richard Kiel as The Monster Elisabeth Brooks as Lab Assistant Maurice Marsac as Henri Villon Don Mantooth as Sleep Subject Brian Avery as Record Producer Uncredited Bill Deiz as First Reporter Roberta Deaa as Michelle Kelly Rudy Diaz as Sgt. Villaverde James LaSane as Officer Johnson