Lily Rabe and Hamish Linklater will join Alan Rickman in the cast of “Seminar,” the Theresa Rebeck play set for a run at Broadway’s Golden Theater.Rabe, nommed for a Tony last season for her perf in “The Merchant of Venice,” recently toplined the Williamstown Theater Festival production of “A Doll’s House,” directed by “Seminar” helmer Sam Gold (“Circle Mirror Transformation”). Linklater (“The New Adventures of Old Christine”) had a recent stage stint in Off Broadway play “The School for Lies,” as well as a role in “Merchant” before it moved to Broadway. Rabe and Linklater are two of the four thesps to play young novelists in “Seminar,” in which Rickman stars as a literary giant teaching private writing classes. Design team for the commercial production of the show’s world preem includes David Zinn (sets and costumes), Ben Stanton (lights) and John Gromada (sound). Smuggler Films, the production company behind an upcoming biopic of the late singer-songwriter Jeff Buckley, has come aboard as a producer, joining Jeffrey Finn and Jill Furman. “Seminar” begins previews Oct. 27 ahead of a Nov. 20 opening. Two more cast members remain to be announced.