- Rosalind Russell
- Marsha Meredith
- Robert Cummings
- Peter B. 'Pete' Webb
- Gig Young
- Alexander Darvac
- Marie McDonald
- Ginger Simmons
- Harry Davenport
- Judge MacKenzie Meredith
- Fay Baker
- Valerie Hobson
- Katherine Warren
- Kitty Lawton
- Douglass Dumbrille
- George Ellerby
- Clem Bevans
- Alonzo K. Roogle
- Grandon Rhodes
- Ken Craig
- John Alban
- Senate Committee Observer
- Jessie Arnold
- Spinster
- Polly Bailey
- Dumpy Woman
- John P. Barrett
- Croupier
- Louise Beavers
- Cleo, Marsha's Maid
- Anne Beck
- Party Guest
- Brooks Benedict
- Minor Role
- Billy Bevan
- Winston - Kitty's Butler
- Paul Bradley
- Casino Patron
- Ralph Brooks
- Senate Committee Observer
- Jack Chefe
- Roulette Croupier
- Michael Cisney
- Reporter
- Paul Cristo
- Doorman
- Roy Damron
- Casino Patron
- Boyd Davis
- Chairman at Senate Hearing
- Irmgard Dawson
- Cigarette Girl In Restaurant
- Jack Deery
- Casino Patron
- Edward Emerson
- Transportation Clerk
- Franklyn Farnum
- Senate Committee Observer
- Tom Ferrandini
- Casino Patron
- Pat Flaherty
- Policeman in Gambling House Raid
- Bess Flowers
- Party Guest
- George Ford
- Casino Patron
- Kay Garrett
- Bar Patron
- Steven Geray
- Francois, Headwaiter
- James Gonzalez
- Senate Committee Observer
- Stuart Hall
- Commuter at Station
- Thurston Hall
- Sen. Caswell
- Sam Harris
- Party Guest at Kitty's
- Maggie Hathaway
- Maid
- Stuart Holmes
- Senate Committee Observer
- Ted Jordan
- Cab Driver
- Kenner G. Kemp
- Senate Committee Observer
- Billy Lechner
- Elevator Boy
- King Lockwood
- Senate Committee Observer
- Robert Malcolm
- Texan
- Nita Mathews
- Party Guest
- Harold Miller
- Hotel Bar Patron
- Ralph Montgomery
- Reporter
- William Newell
- Bartender
- Jay Novello
- Gancellos
- William J. O'Brien
- Bartender
- Monty O'Grady
- Senate Committee Observer
- Franklin Parker
- Outgoing Reporter
- Hank Patterson
- Sleigh Driver
- Paul Power
- Senate Committee Observer
- Suzanne Ridgway
- Casino Patron
- Cosmo Sardo
- Casino Patron
- Jeffrey Sayre
- Elevator Extra / Gambling House Extra (uncredited)
- Bernard Sell
- Senate Committee Observer
- Larry Steers
- Bar Patron
- Bert Stevens
- Senate Committee Observer
- Frank Sully
- Waiter
- Dorothy Vaughan
- Dumpy Woman in Elevator
- Herb Vigran
- Reporter
- Peter Virgo
- Cab Driver
- Nick Volpe
- Passenger
- Harlan Warde
- Joe, Pete's Associate
- Ben Welden
- Augie
- Dooley Wilson
- Pullman Porter
- Eric Wilton
- Kitty's Chauffeur / Bartender (uncredited)
