Boundaries of all types are tested in Ronnie Larsen’s comedic and big-hearted family chronicle, The Actors. The line between Democrat and Republican is pulled taut, as is the division between atheist and religious believer. But those are relatively minor concerns for the playwright. More to the point are the boundaries of grief and how to break through them, the borders of what constitutes a family, and what limits stage actors might burst through when their roles take over their lives. As farcical as it is melancholy, there are as many surprise door knocks in the play’s two acts and two hours as there are woeful revelations.