Matt Mitler (born May 27, 1955) is an American actor. He is also founding director (1997) of Dzieci Theatre (the polish word for "children"), which balances its work on performance with work of service, through creative and therapeutic interaction in hospitals and a variety of institutional settings. The company is firmly dedicated to process and includes in its repertory the critically acclaimed Fools Mass, which was presented at the Parliament of the World's Religions in Barcelona in 2004 and has been a staple since 1999 at The Cathedral Church of Saint John the Divine. Mr. Mitler and Dzieci Theatre are profiled in Working on the Inside: The Spiritual Life Through the Eyes of Actors by Retta Blaney, and are included, under Performance Theatre, in the current edition of The Encyclopedia of Religion.