Terence Morgan as Adam Beauchamp

Ronald Howard as John Bray

Fred Clark as Alexander King

Jeanne Roland as Annette Dubois

George Pastell as Hashmi Bey

Jack Gwillim as Sir Giles Dalrymple

John Paul as Inspector Mackenzie

Dickie Owen as The Mummy (Ra-Antef)

Jill Mai Meredith as Jenny, Beauchamp's Maid

Michael Ripper as Achmed

Harold Goodwin as Fred

Jimmy Gardner as Fred's Mate

Vernon Smythe as Jessop

Marianne Stone as Hashmi Bey's landlady

Chris Adcock as Workman (uncredited)

Ray Austin as Shipboard Thief (uncredited)

Maxwell Craig as Footlights Operator (uncredited)

Olga Dickie as Housekeeper (uncredited)

Charles Gilliard as Ship's Doctor (uncredited)

Nora Gordon as Sir Giles' Housekeeper (uncredited)

Pat Gorman as London Reporter (uncredited)

George Hilsdon as Reporter at Opening of Mummy Exhibition (uncredited)

George Leech as Ship Attacker (uncredited)

Colin McKenzie as Man Supervising Unpacking of Relics (uncredited)

Michael McStay as Ra-Antef (uncredited)

Cecil Paul as Ship's Passenger (uncredited)

Joe Phelps as Reporter at Opening of Mummy Exhibition (uncredited)

Eddie Powell as 2nd Arab (uncredited)

Bernard Rebel as Prof. Eugene Dubois (uncredited)

Ernie Rice as Man Unpacking Relics (uncredited)

Roy Stewart as Bearer in Museum (uncredited)

John Tatham as Police Constable (uncredited)

Larry Taylor as Swordsman (uncredited)

Tony Thawnton as Exhibition Organizer (uncredited)

James Ure as Reporter at Opening of Mummy Exhibition (uncredited)