Guest Stars Jessica Walter as Margaret Nicholson José Ferrer as Dr. Marshall Cahill Robert Walker, Jr. as Neil Cahill Lew Ayres as Dr. Howard Nicholson Lee Montgomery as Steve Spelberg Co Starring Deidre Hall as Receptionist William Christopher as Male Scientist Lou Wagner as Ross Dennis Robertson as 1st Reporter Bert Holland as Whitehead William Bryant as Fields John Zaremba as Coroner Charles Macaulay as Farnsworth Luis Moreno as Officer Darrell Zwerling as Motel Manager Dianne Turley Travis as Lady Scientist Arthur Batanides as Murph Jefferson Kibbee as Jeff Ed Fury as Plainclothesman
