- John 'Dusty' King
- Ernst
- Richard Cromwell
- Ludwig
- Slim Summerville
- Tjaden
- Andy Devine
- Willy
- Barbara Read
- Lucy
- Louise Fazenda
- Angelina
- Noah Beery Jr.
- Wessling
- Maurice Murphy
- Albert
- John Emery
- Captain Von Hagen
- Etienne Girardot
- Mayor
- Lionel Atwill
- Prosecutor
- Henry Hunter
- Bethke
- Larry J. Blake
- Weil
- Gene Garrick
- Giesicke
- Marilyn Harris
- Maria - Ernst's Sister
- Jean Rouverol
- Elsa
- Spring Byington
- Ernst's Mother
- Frank Reicher
- Ernst's Father
- Arthur Hohl
- Heinrich
- William B. Davidson
- Bartscher
- Al Shean
- Markheim
- Edwin Maxwell
- Principal
- Clara Blandick
- Willy's Mother
- Samuel S. Hinds
- Defense Attorney
- Robert Warwick
- Judge
- Robert Adair
- Policeman
- Alyce Ardell
- French Girl
- Margaret Armstrong
- Heinrich's Wife
- Herbert Ashley
- German Waiter
- Reginald Barlow
- Manager
- Patricia Barry
- Gretel
- William 'Billy' Benedict
- Boy Leader
- Charles Bennett
- Innkeeper
- Harry C. Bradley
- Forman / Porter (uncredited)
- Lane Chandler
- American Soldier
- Harvey Clark
- Field Doctor
- Janet Elsie Clark
- Girl
- Russ Clark
- American Soldier
- E.E. Clive
- General
- Harry Cording
- Attendant
- D'Arcy Corrigan
- Cab Driver
- Laura Hope Crews
- Ernst's Aunt
- Sidney D'Albrook
- American Captain
- Michael Fitzmaurice
- Member of Dinner Party
- Bess Flowers
- Member of Dinner Party
- Francis Ford
- Street Cleaner
- Dwight Frye
- Small Man at Rally
- Curt Furberg
- Member of Dinner Party
- Boyd Gilbert
- American Soldier
- June Gittelson
- Fat Woman
- Grace Goodall
- Member of Dinner Party
- Dorothy Granger
- French Girl
- Harrison Greene
- Dutch Comedy Team
- Robert Greig
- Member of Dinner Party
- Sigrid Gurie
- Soldier's Wife
- Charles Halton
- Uncle Rudolph
- Otto Hoffman
- Old Man
- Paul Irving
- Boy Leader
- Edward LeSaint
- Porter
- Lupee Lupien
- French Girl
- Mickey Martin
- Boy
- Robert McKenzie
- Barber
- Edward McWade
- Ticket Taker
- Greta Meyer
- Storekeeper
- Henry Noerdlinger
- German Corporal
- Paul Panzer
- Guard
- Steve Pendleton
- Sailor
- Eddie Phillips
- Fresh Man
- Tempe Pigott
- Old Woman
- Buddy Roosevelt
- German Dispatch Rider
- Tiny Sandford
- Doorkeeper
- Margaret Seddon
- Mother
- Helen Shipman
- Dutch Comedy Team
- Bert Sprotte
- Conductor
- Maidel Turner
- Member of Dinner Party
- Edward Van Sloan
- President
- Delmar Watson
- Boy
- Harry Watson
- Boy
- Paul Weigel
- Member of Dinner Party
- Carol Wines
- French Girl
- Jimmy Zahner
- Boy
