[2] Graff is an alumnus both as a camper and counselor of the Stagedoor Manor performing arts summer camp in upstate New York.

He garnered fame in 1975 when he joined the cast of the PBS children's television series The Electric Company.

Playing the role of Jesse, a member of the Short Circus, he remained with the show to the end of its production in 1977 (replacing Stephen Gustafson).

Graff acted in several films including Death to Smoochy, Dominick and Eugene, Strange Days, Not Quite Paradise, and The Abyss.

In 2006, Graff directed the stage musical 13 by Jason Robert Brown and Dan Elish at the Mark Taper Forum.