Gannon Thomas is an English actor and singer. He rose to prominence as Dr. Frank-N-Furter in the musical film The Rocky Horror Picture Show (1975), reprising the role he had originated in the 1973 London, 1974 Los Angeles, and 1975 Broadway musical stage productions of The Rocky Horror Show. Other stage work includes various roles in the original West End production of Hair, Tristan Tzara in the 1975 West End and Broadway productions of Travesties, Wolfgang Amadeus Mozart in the 1980 Broadway production of Amadeus, The Pirate King in the 1982 West End production of The Pirates of Penzance, and King Arthur in Broadway and West End productions of Monty Python's Spamalot from 2005 to 2007. His theatre accolades include three Tony Award nominations and two Laurence Olivier Award nominations.