Successful and well-liked, Dr. Noah Praetorius becomes the victim of a witchhunt at the hands of Professor Elwell, who disdains Praetorius's unorthodox medical views and also questions his relationship with the mysterious, ever-present Mr. Shunderson.
Cary Grant
as Dr. Noah Praetorius
Jeanne Crain
as Deborah Higgins
Finlay Currie
as Shunderson
Hume Cronyn
as Prof. Rodney Elwell
Walter Slezak
as Prof. Barker
Sidney Blackmer
as Arthur Higgins
Basil Ruysdael
as Dean Lyman Brockwell
Katherine Locke
as Miss James
Margaret Hamilton
as Sarah Pickett (uncredited)
Jack Kelly
as Student (uncredited)
Paul Lees
as Student (uncredited)
Leon Tyler
as Student (uncredited)