| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.J. Gilmore | Crew | Art | Set Decoration |
Bernard B. Brown | Crew | Sound | Sound Director |
Bertram Millhauser | Crew | Writing | Screenplay |
 Ford Beebe | Crew | Directing | Director, Associate Producer |
Fred Frank | Crew | Directing | Assistant Director |
 H.G. Wells | Crew | Writing | Characters |
Hans J. Salter | Crew | Sound | Original Music Composer, Music Director |
Harold H. MacArthur | Crew | Art | Art Direction |
John B. Goodman | Crew | Art | Art Direction |
John P. Fulton | Crew | Visual Effects | Visual Effects |
 Milton Krasner | Crew | Camera | Director of Photography |
Russell A. Gausman | Crew | Art | Set Decoration |
Saul A. Goodkind | Crew | Editing | Editor |
Vera West | Crew | Costume & Make-Up | Costume Supervisor, Costume Designer |
William Hedgcock | Crew | Sound | Sound Engineer |
 William Lava | Crew | Sound | Original Music Composer |
Eric Zeisl | Crew | Sound | Original Music Composer |
Jane MacDonald | Crew | Writing | Adaptation |
 Alan Curtis | Cast | Actor | Mark Foster |
 Arthur Gould-Porter | Cast | Actor | Tom Meadow (uncredited) |
 Beatrice Roberts | Cast | Actress | Nurse (uncredited) |
 Billy Bevan | Cast | Actor | Police Sergeant (uncredited) |
Bobby Hale | Cast | Actor | Pub Patron (uncredited) |
 Cap Somers | Cast | Actor | Pub Patron (uncredited) |
 Cyril Delevanti | Cast | Actor | Malty Bill, shopkeeper |
 Dan White | Cast | Actor | Pub Patron (uncredited) |
 Doris Lloyd | Cast | Actress | Maud, Barmaid (uncredited) |
 Evelyn Ankers | Cast | Actress | Julie Herrick |
 Gale Sondergaard | Cast | Actress | Lady Irene Herrick |
Guy Kingsford | Cast | Actor | Bill (uncredited) |
 Halliwell Hobbes | Cast | Actor | Cleghorn, the butler |
 Ian Wolfe | Cast | Actor | Feeney (uncredited) |
 Jimmy Aubrey | Cast | Actor | Wedderburn, the Innkeeper (uncredited) |
 John Carradine | Cast | Actor | Dr. Peter Drury |
 Jon Hall | Cast | Actor | Robert Griffin |
 Leon Errol | Cast | Actor | Herbert Higgins |
 Leonard Carey | Cast | Actor | The Police Constable (uncredited) |
 Lester Matthews | Cast | Actor | Sir Jasper Herrick |
 Leyland Hodgson | Cast | Actor | Sir Frederick Travers, chief constable |
 Lillian Bronson | Cast | Actress | Norma, the Maid (uncredited) |
 Olaf Hytten | Cast | Actor | Gray, a Cabman (uncredited) |
Russell Custer | Cast | Actor | Pub Patron (uncredited) |
 Skelton Knaggs | Cast | Actor | Alf Perry, Cabman (uncredited) |
 Ted Billings | Cast | Actor | Bettor in Pub (uncredited) |
Tom Dillon | Cast | Actor | Ned Towle, Darts Expert (uncredited) |
William J. O'Brien | Cast | Actor | Bettor in Pub (uncredited) |
 Yorke Sherwood | Cast | Actor | Jim Yarrow (uncredited) |
 Grey Shadow | Cast | Actor | Grey Shadow (uncredited) |
Janna DeLoos | Cast | Nellie (uncredited) | |
| Person | Type | Job | Role(s) |
