Dr. James Hamilton
Ann Summers
George Morley
Prof. Charles Gore
Cullen (as Dean Almquist)
Lady Olive Fitzmaurice
Warden
Miss Ames
Bill - City Editor
Managing Editor
Inspector Blackburn (as Norman MacKaye)
Taxi Driver
Lt. White - Inspector II (as Don Douglas)
Van Driver
Cop (as Philip Kenealy)
TV Announcer
Thompkins - Reporter
Guest - Philip
Joe - Bartender (uncredited)