He also starred in the CE series Runaway with Donnie Walhberg. Before that he played the role of 'Mike', Brad Pitt's son, in the Golden Globe winner Babel. Nathan earned that role after the director made a nation wide search that included over 20,000 other young boys, all eager to play the part. His performance earned him a nomination for a Young Artist Award for Best Performance in a Feature Film - Young Actor Age Ten or Younger

Before Runaway and Babel Nathan was no stranger to acting. He was taking part in community theatre in his hometown of Seattle from before he was ever born. His mother, Christy, first brought him onto the stage while she was eight months pregnant, playing the role of Mrs. Crachit in A Christmas Carol. Nathan later played Michael in Peter pan and also appeared in Alice in Wonderland and Annie.

His television work includes the pilot of the 2007 proposed series Deeply Irresponsible and guest roles in episodes of Without a Trace and CSI: Crime Scene Investigation in late 2007, the episodes were cross-overs. As well as Ghost Whisperer and House M.D. during the 2008 season. He also played 'Tommy' in the series Runaway, and will play 'Poe Malloy' in the 2009 TV movie Captain Cook's Extraordinary Atlas. Nathan plays 'Henry Pryor' in the 2009 series Hank. Nathan guest starred on Private Practice in 2010 in the episode Another Second Chance.

His theatrical roles includes 'Joey' in Dry Rain as well The Mist where he plays 'Billy', 'James Gordon Jr' in The Dark Knight and Marley & Me where he played Patrick (Age 10). He played 'Lucas Thompson' in the 2009 film The Hole and 'Daniel' in the 2010 short Displaced. He is "Trey Caldwell" in 25 Hill (2011) and play's "Sawyer" in Dolphin Tale (2011) (Dolphin Tale Photos) and for 2012 watch for him in Barlowe Mann.