as Gabriel Blake
as New Pathologist(1 ep)
as Fred Spreewell(2 eps)
as Atty. Gen. Smith
as Father Stanton
as Monsieur Farrin
as Mayor Claire
as Julian Byng
as Milton Lewis
as Dr. Vernon Stark
as Gosling
as Reverend Dr. Lionel Jones
as Judge Gaffney
as (voice)
as Giles Corey
as Henry Sprague
as Asst. Secretary of War John J. McCloy(2 eps)
as Dr. Jerry
as Doc Milgrom
as Judge Greeves
as Dr Placebo
as Prof. Savage(1 ep)
as Angus MacLean
as Judge Harry Rhoades
as Gustav Helsing(21 eps)
as James St. Clair
as Judge MacPherson
as St. Peter
as Dr. Fisher
as Leland Reynolds
as Psychiatrist(1 ep)
as Jennings(1 ep)
as Grandpa Day(10 eps)
as Karen's Father
as Vickers
as Eddie Weibe
as Dean
as Purchasing Agent
as Gabriel Blake
as Dr. Heller(1 ep)
as Houseman(1 ep)
as Dr. Parks(1 ep)
as (uncredited)
as Prof. Campbell
as Bill Lawrence
as James Gladstone
as Dr. Niels Johansson
as Major Clive McGonad
as George Rogers(1 ep)
as William Saltonstall
as Guitry(1 ep)
as Father Johansen(1 ep)
as Judge
as Commander Ilvar
as Dietrich
as Elegant Doctor
as Dr. Fisher
as Robert Lingstrom
as Michael Maddox(1 ep)
as D.A. Koch
as Springfield
as Sir James Barnet
as Sir Peter Teazle
as Bailey Farrell(1 ep)
as Marshall Tyler(1 ep)
as George O'Connell(1 ep)
as Sir Peter Teazle(1 ep)
as Lennox