While Stewart has numerous theater credits, he is best known for portraying Danny Santos in the daytime soap opera Guiding Light.
[2] While portraying Casey by day, Stewart landed the starring role of Christian in the 1993 production of Cyrano: The Musical on Broadway at the Neil Simon Theatre.
He also appeared in the 2003 revival of Fiddler on the Roof at the Minskoff Theatre, replacing Robert Petkoff as the progressive student Perchik.
He and costar Nancy St. Alban, who played Danny's wife Michelle, made appearances in 2009 as the show concluded its run.
[5] He also appeared in a new work by John Kander, The Landing, along with Julia Murney, David Hyde Pierce, and Frankie Seratch.