as Dr. Siegler
as Psychiatrist
as Professor Agranoff
as Mr. Liebemacher
as Professor Steinberg
as Micha Langer(1 ep)
as Nicholas Vedder
as Mr. Liebermacher(1 ep)
as Peters
as Anthony(1 ep)
as Mel Keefer (segment "Night of the Rat")
as Professor Zakall
as Nicholas Vedder(1 ep)
as Dr. Kazimir(2 eps)
as Benjamin Shorofsky(136 eps)
as Dr. Scott(1 ep)
as Mr. Shorofsky
as Prof. Steinberg(1 ep)
as Self - Judge(1 ep)