Thomas Mørk (b. 1962) is a Danish actor who dubbed Rizzo the Rat in Muppets Fra Rummet and Muppets Juleeventyr, as well as various characters in the two movies (including Robin the Frog in the former and Dr. Phil Van Neuter in the latter). He also voiced It in Sandtrolden, the Danish dub of Five Children and It. He voiced Ernie and Kingston Livingston III in Leg med os fra Sesamgade (Play with Me Sesame) and Ernie and others in Elmo's Verden (Elmo's World). In 2018 he returned to voice Rizzo in Mini-Muppets.
Mørk graduated from The Danish National School of Theatre in 1987. During the period he was at the school he teamed up with Niels Olsen (who was also heard in Sandtrolden) and created the group Cirkus Montebello where the two could be seen entertaining in the streets of Copenhagen, earning a little extra during their studies. After they graduated, they toured around the country with Cirkus Montebello. Mørk quickly became known in theater circles but was less prominent in films. He is a versatile actor he have had many serious roles as well as comic roles in both theater and TV/movies.
His TV and movie credits include TV Ansjosen, Better Times, Bryggeren and many others. His animated voice credits include Panic in Hercules, Tarzan, Tuke in Brother Bear, Manfred in Ice Age and many others, as well as dubbing Jim Carrey in How the Grinch Stole Christmas and Phill Lewis on The Suite Life of Zack & Cody.