| Person | Type | Job | Role(s) |
|---|---|---|---|
 Cedric Gibbons | Crew | Art | Art Direction |
 Conrad A. Nervig | Crew | Editing | Editor |
 Douglas Shearer | Crew | Sound | Sound Director |
 Edwin B. Willis | Crew | Art | Assistant Art Director |
Frederick Stephani | Crew | Production | Producer |
Harry McAfee | Crew | Art | Assistant Art Director |
 Harry Ruskin | Crew | Writing | Screenplay |
Leonard Lee | Crew | Writing | Screenplay |
Marion Parsonnet | Crew | Writing | Screenplay |
Wilhelm Thiele | Crew | Directing | Director |
William Axt | Crew | Sound | Original Music Composer |
William H. Daniels | Crew | Camera | Director of Photography |
William C. White | Crew | Writing | Author |
 Alphonse Martell | Cast | Actor | French Policeman (uncredited) |
 Bert Roach | Cast | Actor | Mr. Ed Thompson (uncredited) |
Betty Worth | Cast | Joyce's Maid (uncredited) | |
 Cora Witherspoon | Cast | Actress | Mrs. Elizabeth Miller |
Dan Maxwell | Cast | Scotch Gun Bearer (uncredited) | |
 E. E. Clive | Cast | Actor | Lord Nigel Braemer |
 Edwin Stanley | Cast | Actor | Minister (uncredited) |
 Egon Brecher | Cast | Actor | Antique Shop Proprietor (uncredited) |
 Erik Rhodes | Cast | Actor | Lefevre |
 Florence Rice | Cast | Actress | Joyce Steward |
 Frank Morgan | Cast | Actor | Ingraham Steward |
 Frank Puglia | Cast | Actor | French Detective Looking for Summitt (uncredited) |
 Frank Reicher | Cast | Actor | Monsieur Debillon (uncredited) |
 Fred Malatesta | Cast | Actor | Majordomo (uncredited) |
 George Givot | Cast | Actor | Izmanov |
 Harlan Briggs | Cast | Actor | Mr. Virgil Miller |
 Herman Bing | Cast | Actor | Von Giersdorff, aka Count Herman |
 Janet Beecher | Cast | Actress | Mrs. Agatha Steward |
Jean Perry | Cast | Inspector Lebrix (uncredited) | |
 John Beal | Cast | Actor | Count Bill Cherau |
John Picorri | Cast | Actor | Orchestra Leader (uncredited) |
 Joseph Crehan | Cast | Actor | Mr. Parsons, Murillo Customer (uncredited) |
Joseph R. Tozer | Cast | Lord Kenyon (uncredited) | |
 Josephine Whittell | Cast | Actress | Mrs. Ed Thompson (uncredited) |
 Leonard Carey | Cast | Actor | James, Lord Braemer's Butler (uncredited) |
Lowden Adams | Cast | Actor | Braemer's Servant (uncredited) |
 Reginald Denny | Cast | Actor | Clifton Summitt |
Robert Du Couedic | Cast | French Detective (uncredited) | |
 Tom Rutherford | Cast | Horace Miller | |
 Vladimir Sokoloff | Cast | Actor | Sascha |
| Person | Type | Job | Role(s) |
