| Person | Type | Job | Role(s) |
|---|---|---|---|
 David Butler | Crew | Directing | Director, Producer, Story |
 Edward Stevenson | Crew | Costume & Make-Up | Costume Design |
 Frank Redman | Crew | Crew | Cinematography |
Fred Fleck | Crew | Directing | Assistant Director |
Irene Morra | Crew | Editing | Editor |
James V. Kern | Crew | Writing | Screenplay, Story |
 Vernon L. Walker | Crew | Crew | Special Effects |
 Alma Kruger | Cast | Actress | Aunt Margo Bellacrest |
 Bela Lugosi | Cast | Actor | Prince Saliano |
 Bess Flowers | Cast | Actress | Lady In Taxi (uncredited) |
Beulah Parkington | Cast | Mother (uncredited) | |
 Boris Karloff | Cast | Actor | Judge Spencer Mainwaring |
 Dennis O'Keefe | Cast | Actor | Chuck Deems |
 Dorothy Moore | Cast | Actress | Penny (uncredited) |
 Eleanor Lawson | Cast | Actress | Ms. Gaby Lawson (uncredited) |
 Frank Mills | Cast | Actor | Cabbie (uncredited) |
 Frank O'Connor | Cast | Actor | Apartment Responder (uncredited) |
 Ginny Simms | Cast | Actress | Herself |
 Harry Babbitt | Cast | Actor | Himself |
 Helen Parrish | Cast | Actress | Janis Bellacrest |
 Jeff Corey | Cast | Actor | Mr. Corey (uncredited) |
Joseph Eggenton | Cast | Jurgen | |
Joseph North | Cast | Servant (uncredited) | |
 Kay Kyser | Cast | Actor | Himself |
Larry McGrath | Cast | Actor | Apartment Complainer (uncredited) |
 Leonard Mudie | Cast | Actor | Real Karl Fenninger (uncredited) |
 Louise Currie | Cast | Actress | Marion (uncredited) |
 M.A. Bogue | Cast | Actor | Ish Kabibble |
 Mary Bovard | Cast | Actress | Mary (uncredited) |
 Peter Lorre | Cast | Actor | Professor Karl Fenninger |
Richard Kipling | Cast | Script Man (uncredited) | |
 Sully Mason | Cast | Actor | Himself |
William Telaak | Cast | Actor | Mac (uncredited) |
Jane Patten | Cast | Jane (uncredited) | |
Jeanne Houser | Cast | Jean (uncredited) | |
Mimi Montaye | Cast | Mimi (uncredited) | |
Eugenia Rafee | Cast | French Maid (uncredited) | |
Joan Warner | Cast | Joan (uncredited) | |
Guy Webster | Cast | Infant (uncredited) | |
Mary Martha Wood | Cast | Georgia (uncredited) | |
| Person | Type | Job | Role(s) |
