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