as Ticket Seller(1 ep)
as Taxi Driver
as Rupert Crane
as Grandpa George
as Grandpa George(1 ep)
as Oliver Braithwaite(1 ep)
as Merlin
as Marc(1 ep)
as Santa
as Matthias Van Der Meulen
as Bowery Saloonkeeper
as Maurice Baloc(1 ep)
as Dr. Seligman
as Politician
as Sea Plane Pilot
as Dr. Greg Phillips
as Prof. Lionel Hudgens
as Moros(1 ep)
as Doc Murphy
as Dr. Manning
as Police Officer
as Alex McGrath
as Minister Green
as Smitty
as Dr. Hayes
as Santa Claus
as Pa Franklin
as Dr. Hudson(1 ep)
as Max Asher(13 eps)
as Secretary Falin(1 ep)
as Judge Mettrick
as Arthur(1 ep)
as Hodgkins
as Father Mac(22 eps)
as Mel Johnson(1 ep)
as Dr. Dotterweigh
as Alex Potter
as Chaplain
as Captain Drake
as Roham(4 eps)
as Merlin(2 eps)
as Doc Debney
as Handy Andy
as Captain Stanley Lord(2 eps)
as Inquisitor(1 ep)
as Group Elder(1 ep)
as Stanley
as Dr. Brendan Slade(1 ep)
as George Kopek
as Trevor Hunter(1 ep)
as Terry Walsh(1 ep)
as Kra'dok(1 ep)
as Winston(1 ep)
as Mr. March
as Dr. Franklin
as Cecil
as Surgeon
as Mike Doyle
as George
as German Official
as Arlinsky(1 ep)
as Dr. Ronald Surnow(1 ep)
as Matthewson
as Michael
as Ian MacLeod(3 eps)
as Uther Pendragon(1 ep)
as General McHugh(24 eps)
as Pastor
as Blacksmith
as Angus Stoddart(2 eps)
as Archie Stanton(2 eps)
as Father Alex(1 ep)
as Roddy Canoca(1 ep)
as Emmenthaler(1 ep)