Special Guest Stars Tom Bosley as Jack Flaherty Guest Stars John Hoyt as Dr. Beckwith Albert Paulsen as Dr. James Verhyden Kathie Browne as Lt. Irene Lamont Frank Marth as Colonel Brody Co Starring Margaret Avery as Ruth Van Galen Greg Finley as Dr. Phillips Lew Brown as 1st Detective Tom Moses as Dr. Gordon Cliff Norton as Arnie Wisemore Keith Walker as 1st Reporter Frank Campanella as Ted Chapman Bill Deiz as 2nd Reporter Uncredited Andrew J. Robinson as Shipping Clerk Craig R. Baxley as The Creature Paul Baxley as Lawrence Earl Coogan Kelly Wilder as Receptionist