Special Guest Stars Tom Bosley as Jack Flaherty Guest Stars Kathie Browne as Lt. Irene Lamont Albert Paulsen as Dr. James Verhyden John Hoyt as Dr. Beckwith Frank Marth as Colonel Brody Co Starring Margaret Avery as Ruth Van Galen Lew Brown as 1st Detective Greg Finley as Dr. Phillips 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
