Characters played by William Powell
Andrew Gentling
Characters played by Shelley Winters
Catherine Sykes
Characters played by Marsha Hunt
Martha Wier
Characters played by Dorothy Hart
Helen Gentling
Characters played by James Gleason
Gledhill
Characters played by Felix Bressart
Professor Morris Avrum
Characters played by Art Baker
Henry Pritchard
Characters played by Sheldon Leonard
Pacciano
Characters played by Howard Freeman
Dr. Markheim
Characters played by Houseley Stevenson
Thatcher
Characters played by Paul Harvey
Mr. Arnspiger
Characters played by Francis Pierlot
Doctor Watson
Characters played by Jess Barker
Arnold Sykes
Characters played by Mikel Conrad
Freddie
Characters played by Vangie Beilby
Old Lady at Lecture
Characters played by Marjorie Bennett
Waitress
Characters played by Leonard Bremen
Truck Driver
Characters played by Paul Brinegar
Reporter
Characters played by Frank Cady
Reporter
Characters played by Edmund Cobb
Policeman
Characters played by Helen Crozier
Maid
Characters played by Tony Curtis
Hot Rod Driver
Characters played by Johnny Duncan
Bellhop
Characters played by Charles Flynn
Policeman
Characters played by Sandra Gould
Newspaper Girl
Characters played by Ethyl May Halls
Woman at Window
Characters played by Chuck Hamilton
Policeman
Characters played by Herbert Heywood
Attendant
Characters played by Tommy Ivo
Harold
Characters played by Lyle Latell
Reporter
Characters played by George Lynn
Policeman
Characters played by Enid Markey
Clara
Characters played by Maurice Marsac
Louis
Characters played by Charles McAvoy
Policeman
Characters played by Ralph Peters
Portly Man
Characters played by Jack Rice
Good Humor Man
Characters played by Brick Sullivan
Policeman
Characters played by Charles Sullivan
Truck Driver in Café
Characters played by Jim Toney
Bartender
Characters played by Harland Tucker
Clerk
Characters played by Minerva Urecal
Gas Station Attendant
Characters played by Dorothy Vaughan
Leona