John Clarence Stewart is an American actor and singer. Stewart was first recognized for portraying Alex Wesley in Luke Cage (2016–2018) and Lionel in What/If (2019). In 2020, he began portraying Simon in Zoey's Extraordinary Playlist, the role for which he is best known. Stewart made his professional debut portraying John in The Whipping Man (2013) at the Alliance Theatre. He performed in a couple more of the theatre's productions and also starred as Tray in Brownsville Song (B-Side for Tray) (2014) at the Actors Theatre of Louisville, and as Wanre in Fit for a Queen (2016) at the Classical Theatre of Harlem.