DeWitt completed the score for Cold Weather, which premiered at the 2010 South by Southwest film festival and was bought and released by IFC Films. He also took part in the 2013 Sundance Film Festival with two films. The first was a documentary titled The Good Life [HBO], directed by Sean Fine and his wife Andrea Nix-Fine. The second was a narrative film titled This Is Martin Bonner, directed by close friend Chad Hartigan.
In 2013, DeWitt composed the score for Academy Award-winning documentary short film Inocente, directed by Sean & Andrea Fine (War/Dance). In the same year he would also attend the Sundance Film Festival with 2 films. The first, This Is Martin Bonner by Chad Hartigan, was the winner of the NEXT Audience Award, and the second Life According to Sam was produced in conjunction with HBO to air in the fall of '13.
Most recently, DeWitt has teamed with fellow Nashville, TN artist Jeremy Bullock to form Wild Cub. They released their debut 13-song full length LP in August 2013 (January 2014 UK release) entitled "Youth". Their sophomore 11-song LP "Closer" was released in 2017. Wild Cub has been part of SXSW, Bonnaroo, CMJ and other prominent festivals and has received coverage from PASTE, MTVHive.com, Wall Street Journal, SPIN, IFC.com, RCRDLBL, The Line of Best Fit(UK), Clash Music (UK) and more.