John Hammil

as Scientist Talbot

as U.S. Embassy Counselor

as Gregg's Attorney (1 episode)

as Maitred

as Pharmacist

as Director (1 episode)

as Agent #2

as Milton Grey (1 episode)

as Courter

as Zach's Father

as Detective #1

as FBI Surveillance Agent #2

as Dr. Lehman

as Advertising Executive

as Joe

as Police Agent (1 episode)