as Professor A.D. Lindsay(1 ep)
as Dr. Hirst
as Dr Morrissey(1 ep)
as Murray Corrigan
as Mark(6 eps)
as John MacLeish(1 ep)
as Mark(1 ep)
as James(1 ep)
as Victor
as Ken Christie(1 ep)
as Colquhoun
as Dr Kelly(5 eps)
as Neil
as Willie
as Mr. Urquart(4 eps)
as Capt. Campbell
as Bruce
as Chris
as John Palmer(1 ep)
as Walter(3 eps)
as Frankieboy
as Gunman
as Bruce(1 ep)