 In May 2012, he began performances of the Roundabout Theatre Company's production of "Harvey" on Broadway, co-starring alongside Jim Parsons.Also that same year, he guest starred in NBC's police procedural series "" as Boyd Hartwell.On March 1, 2014, it was reported that Sommer had been cast in the CBS pilot "Good Session"; however, the network later declined to pick up the project to series.