Peter and the Starcatcher
Josh Grisetti, Nick Spangler, and Chip Zien also join the ensemble of the new comedy directed by David Hyde Pierce.
The boutique advertising agency also represents Rock of Ages and Natasha, Pierre.
As it nears the end of its New York journey and on the heels of a national tour, the scribe behind the unexpected, acclaimed play looks back on its path from page to stage.
Rosen will take over the role of Smee from Kevin Del Aguila for the show's final performances.
The Peter Pan prequel flies to the West Coast.
The Tony Award-winning production will wrap up its run in 2014.