 Terence MorganAdam Beauchamp | Adam Beauchamp |
 Ronald HowardJohn Bray | John Bray |
 Fred ClarkAlexander King | Alexander King |
 Jeanne RolandAnnette Dubois | Annette Dubois |
 George PastellHashmi Bey | Hashmi Bey |
 Jack GwillimSir Giles Dalrymple | Sir Giles Dalrymple |
 John PaulInspector Mackenzie | Inspector Mackenzie |
| DDickie OwenThe Mummy (Ra-Antef) | The Mummy (Ra-Antef) |
 Jill Mai MeredithJenny, Beauchamp's Maid | Jenny, Beauchamp's Maid |
 Michael RipperAchmed | Achmed |
 Harold GoodwinFred | Fred |
 Jimmy GardnerFred's Mate | Fred's Mate |
| VVernon SmytheJessop | Jessop |
 Marianne StoneHashmi Bey's landlady | Hashmi Bey's landlady |
| CChris AdcockWorkman (uncredited) | Workman (uncredited) |
 Ray AustinShipboard Thief (uncredited) | Shipboard Thief (uncredited) |
 Olga DickieHousekeeper (uncredited) | Housekeeper (uncredited) |
| CCharles GilliardShip's Doctor (uncredited) | Ship's Doctor (uncredited) |
 Nora GordonSir Giles' Housekeeper (uncredited) | Sir Giles' Housekeeper (uncredited) |
 Pat GormanLondon Reporter (uncredited) | London Reporter (uncredited) |
| GGeorge HilsdonReporter at Opening of Mummy Exhibition (uncredited) | Reporter at Opening of Mummy Exhibition (uncredited) |
| GGeorge LeechShip Attacker (uncredited) | Ship Attacker (uncredited) |
| CColin McKenzieMan Supervising Unpacking of Relics (uncredited) | Man Supervising Unpacking of Relics (uncredited) |
| MMichael McStayRa-Antef (uncredited) | Ra-Antef (uncredited) |
| CCecil PaulShip's Passenger (uncredited) | Ship's Passenger (uncredited) |
| JJoe PhelpsReporter at Opening of Mummy Exhibition (uncredited) | Reporter at Opening of Mummy Exhibition (uncredited) |
 Eddie Powell2nd Arab (uncredited) | 2nd Arab (uncredited) |
| BBernard RebelProf. Eugene Dubois (uncredited) | Prof. Eugene Dubois (uncredited) |
| EErnie RiceMan Unpacking Relics (uncredited) | Man Unpacking Relics (uncredited) |
| RRoy StewartBearer in Museum (uncredited) | Bearer in Museum (uncredited) |
