Actors in the play “October 7” prepare to go onstage before a performance at Bowdoin College on Thursday night. Phelim McAleer, one of the writers of “October 7,” left, talks with director Jeff Gurner backstage before Thursday’s performance at Bowdoin College. Several security guards were placed around the theater before Thursday’s performance of the play “October 7” at Bowdoin College. Zak Asplin, the chair of Maine College Republicans and president of the Bowdoin College Conservatives, also took part in the discussion after the show. Editor’s note: This story was updated on Sept. 19 to reflect information from Bowdoin College about the student suspensions earlier this year.