Arnold Vosloo to Guest Star on Elementary Season Finale

Irene Adler is not the only major character on her way to Elementary.

With Natalie Dormer booked for this key role, TV Guide now reports that Arnold Vosloo will guest star on the show's May 16 finale, coming on board as a villain Sherlock with possible ties to Moriarty.

The actor - best known for portraying Imhotep in The Mummy, above - will play a Greek shipping magnate named Christos Theophilus.

While the character's exact role and motives are not known at this time, it's been confirmed that Moriarty will be at the center of the two-hour season finale when it's discovered that he may be operating in New York City.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.