The monster's wig and neck electrodes worn by Conor Timmis were from Phil Hartman's Saturday Night Live (1975) Frankenstein's monster makeup.
Conor Timmis first pitched the role of Dr. Muller in "The Mummy" to another hero of his, legendary actor Patrick McGoohan. Enjoying a well deserved retirement, McGoohan declined, but gave the film its motto with his charming advice of "Stick with it, baby!"