The Mad Magician

The Mad Magician is a 1954 horror film in 3D, starring Vincent Price and Eva Gabor.

Gallico then impersonates Ormond to rent an apartment from Alice Prentiss Lenita Lane, an author of mystery novels. Gallico disposes of Ormonds body, but is again forced to murder when his exwife Claire discovers the impersonation. Prentiss comes forth as a witness to the crime, but identifies Ormond as Claires murderer. The Great Rinaldi again schemes to steal a trick of Gallicos, an illusion involving a crematorium, and ultimately winds up burned to death in the process. Gallico begins impersonating Rinaldi to take over that magicians show.Meanwhile, Alan Bruce matches the fingerprints of Ormond with those of Rinaldisince both sets of prints are actually Gallicos, and the novelist Prentiss realizes her boarder, and the murderer, was Gallico and not Ormond. The two, along with the assistant Karen, band together for an ultimate confrontation with Gallico. ........

Source: Wikipedia