The 150-year-old Presbyterian Church at Tenafly is notable for its star power. Many of its members and cantors who lead hymns or participate in services have performed on Broadway, off-Broadway or with the New York City Opera. All of that musical talent will join forces to help Jerad Bortz, a veteran of “Wicked” who was left paralyzed from the chest down when he and his husband, songwriter Steven Skeels, were involved in a car accident on Feb. 4.