O'Connell appeared on Broadway at the Golden Theatre in Seminar, written by Theresa Rebeck. The play, directed by Sam Gold, opened on November 20, 2011, starring Alan Rickman, Lily Rabe, Hamish Linklater and Hettienne Park. On June 4, 2012, it was announced that O'Connell would play Herman Munster in a reboot of The Munsters, titled Mockingbird Lane; the remake series was never picked up for production. On May 15, 2013, it was announced that O'Connell would play Stuart Strickland on We Are Men, alongside Tony Shalhoub.