He later starred in several films, including The Impossible Elephant, Tales from the Neverending Story (for which he received a 2002 Gemini nomination), the multi-award-winning Touching Wild Horses (2002) opposite Jane Seymour (for which he received a 2003 Young Artists Award nomination), Disney's The Scream Team with Eric Idle, the Court TV Peabody Award-winning true story, The Interrogation of Michael Crowe (for which he received a 2004 ACTRA Award nomination for Outstanding Performance - Male), Don McKellar's dark comedy Childstar (2004), opposite Jennifer Jason Leigh, Eric Stoltz and Dave Foley; the title role in Spirit Bear: The Simon Jackson Story (2004) with Ed Begley, Jr. and Graham Greene, NBC's mini-series Revelations (2005) opposite Bill Pullman and Natascha MacElhone, and Francois Girard's Silk.
In 2003, he voiced Noodle in the children's show The Save-Ums.
In 2005, he voiced the 14-year-old Jester character of the New Zealand CGI animated show Jane and the Dragon. He has also provided voices for other animated shows, for Example King, Time Warp Trio, and Wayside.
Rendall played supporting roles in the films 30 Days of Night, opposite Josh Hartnett and Melissa George, and Charlie Bartlett, with Anton Yelchin and Kat Dennings. In 2009, he starred in the films, Victoria Day, directed by David Bezmozgis and The Exploding Girl, directed by Bradley Rust Gray.
In his spare time, Mark enjoys juggling, playing guitar, photography, baseball and spending time with his pet sugar gliders—tiny flying Australian marsupials.
