Judy Farrell is an American actress and former wife of actor Mike Farrell. Judy Farrell (not to be confused with Gwen Farrell, who played various nurses on M*A*S*H) made her first appearance on M*A*S*H in Season 5's "Out of Sight, Out of Mind" as Nurse Able, and would be seen in future episodes as well. B.J. 's daughter, Erin, was named after their daughter. She later wrote for the soap opera Port Charles.