D.C. native Tim Getman joins a cast of eight onstage at Arlington’s Signature Theater for Washington’s first production of Martin McDonagh’s “The Lieutenant of Inishmore.” The dark comedy set off the coast of Ireland revolves around a dead cat mourned amid the violent struggle for Irish independence. “The Lieutenant of Inishmore” runs through Nov. 16 at Signature Theater, sig-online.org or 703-820-9771

What were the biggest challenges in rehearsing the play?