Mark Newnham

 is an actor, who specializes in CGI characters and voiceovers. He is notable for playing the monster forms of both Ares and Dahak on.

Hercules: The Legendary Journeys

 * 1) Hercules and the Circle of Fire - Antaeus
 * 2) "Ares" - Ares
 * 3) "Mummy Dearest" - Mummy
 * 4) "Redemption" - Dahak

Young Hercules

 * 1) "The Mysteries of Life" - Big Ruff