The fourth season of Jane the Virgin originally aired in the United States on The CW from October 13, 2017, through April 20, 2018. The season was produced by CBS Television Studios, with Jennie Snyder Urman serving as showrunner. The series was renewed for a fourth season on January 8, 2017. Season four stars Gina Rodriguez as Jane Villanueva, Andrea Navedo as Jane's mother Xiomara De La Vega, Ivonne Coll as Jane's grandmother Alba Villanueva, and Jaime Camil as Jane's father Rogelio De La Vega, with Justin Baldoni as Jane's lover and babydaddy Rafael Solano, and Yael Grobglas as Rafael's ex-wife and other babymama Petra Solano. Elias Janssen is added as a series regular, portraying a recast version of Jane's son Mateo Solano Villanueva. From Wikipedia