- Lee Tracy
- Tom Mallory
- Gloria Stuart
- Doris Martin
- Ann Shepherd
- Jane Turner
- John McGuire
- Jerry Turner
- Frank M. Thomas
- Banks
- Paul Guilfoyle
- Phil Crowley
- Irene Franklin
- Ruby Winston
- Patricia Wilder
- Babe
- Barbara Pepper
- Marge Sanders - Posing as Jane Turner
- Willard Robertson
- Walter Davies
- Alexander Cross
- Eddie Parsons
- Jay Eaton
- Extra in Elevator
- Dick Elliott
- Arizona Sheepman
- Dot Farley
- Landlady
- Paul Fix
- Crowley's Henchman
- Bess Flowers
- Postal Clerk
- Duke Green
- Henchman
- Jane Hamilton
- Davies' Secretary
- Selmer Jackson
- Ferris - Postal Inspector
- Thomas E. Jackson
- Lansing - Postal Chief
- Lew Kelly
- Mike - Plainclothesman
- Lee Kohlmar
- John Taylor
- Paul Kruger
- Henchman
- Mike Lally
- Parsons' Driver
- George Lloyd
- Henchman Dutch Emory
- Arthur Loft
- Henchman Glen
- George Magrill
- Henchman
- Bert Moorhouse
- Agent with Window Shade
- Margaret Morris
- Girl
- Philip Morris
- Agent Stevens
- Pat O'Malley
- Joe - Lansing's Assistant
- Dave Pepper
- Detective
- Aileen Pringle
- Norris' Secretary
- John Shelton
- Bellhop Getting Stamps
- Bryant Washburn
- Magee
- Pierre Watkin
- Andrew Norris
- Frank Yaconelli
- Spumoni - Dog Catcher
