Eddie Powell, who plays the mummy in this film, was a stuntman in future films often doubling Christopher Lee as Dracula.
After more than fifteen years, this became the last "Hammer" production to be shot at Bray Studios, copyright 1966, although they did return briefly to do special effects for "Moon Zero Two" and "When Dinosaurs Ruled the Earth."
The design for the mummy's mask was taken directly from a real one on display at London's British Museum.
Peter Cushing is often listed as the uncredited Narrator, but "Hammer Films" had no record of whom the Narrator was. It was, in fact, Tim Turner according to another contributor. However, according to accredited Peter Cushing scholars Anthony Ambrogio and and Gary J. Svelhla, it was indeed Peter Cushing noted primarily in their Midnight Marquee Actors Series Peter Cushing Edition.
Elizabeth Sellars only made two films for "Hammer." The first was "Cloudburst (1951)," their first film to be made at their then-new Bray Studios. The second was "Dans les griffes de la momie (1967)" 15 years later, the last film to be made at Bray.