He made his stage debut in Cory Maxson in 2006 production of Fences at the Pasadena Playhouse opposite Laurence Fishburne and Angela Bassett, and in 2009 performed in Pippin.
[4][5] As a singer, Clark performed with Maxwell, Brandy Norwood, Ne-Yo, Anita Baker and Michael Bublé and was co-writer on Mary J. Blige’s song “Irreversible” on her album My Life II...
[8] In 2017 he was cast as George Washington in the Broadway production of Hamilton and played songwriter Terry Lewis in the BET miniseries, The New Edition Story.
He appeared in two episodes of Fox musical drama series Empire in 2017 and later guest-starred on Blue Bloods, NCIS: New Orleans and Zoey's Extraordinary Playlist.
[9] In 2021 he had recurring role in the TNT post-apocalyptic series, Snowpiercer as Pastor Logan and played one of leads in the original Broadway production of Thoughts of a Colored Man.