<P> Set in Miami, the series details the surprising and dramatic events that take place in the life of Jane Gloriana Villanueva, a hard - working, religious, young, Venezuelan - American woman . Jane's vow to save her virginity until marriage becomes complicated when a doctor mistakenly artificially inseminates her during a checkup . To make matters worse, the biological father is a married man, a former playboy, and a cancer survivor who is not only the new owner of the hotel where Jane works, but was also her former teenage crush . In addition to adjusting to pregnancy and then motherhood, in the initial episodes Jane is faced with questions about her professional future and the daunting prospect of choosing between the father of her baby or her detective boyfriend . As the series evolves, the issues shift as her child grows into a toddler, her writing career moves forward, and her family members likewise develop independent plotlines . </P> <Ul> <Li> Gina Rodriguez as Jane Gloriana Villanueva, a 23 - year - old, religious young Latina who becomes pregnant after being artificially inseminated by mistake while being engaged to Michael . After meeting Rafael and hearing his situation, she agrees to carry the baby full term and turn over custody to him and his wife Petra, but only if she is sure her baby will be safe and loved with them . Jane breaks off the engagement with Michael due to him keeping secrets from her regarding the Solanos . But, as the pregnancy grows, Rafael and Jane start to have feelings for each other, but the relationship doesn't last very long . Jane ends up having a baby boy named Mateo Gloriano Rogelio Solano Villanueva . She marries Michael Cordero in the season two finale . In the tenth episode of season three, she becomes widowed when he dies from his gunshot wound . After trying to find a letter which Michael wrote her while he was alive, her ex-boyfriend Adam comes back into her life, bringing out her fun side, which had been hidden after giving birth . Adam soon leaves for a job offer . She later finds her feelings resurfacing for Rafael again . Executive producer Jennie Snyder Urman stated that Gina Rodriguez "was literally the third person that came in" during the casting . <Ul> <Li> Jenna Ortega as Young Jane, at age 10, is the most frequent (21 chapters as of season 3) of the four younger "Janes" seen in flashbacks . </Li> </Ul> </Li> <Li> Andrea Navedo as Xiomara "Xo" Gloriana Villanueva, Jane's outgoing mother . She was only sixteen years old when she had Jane, which is why Jane would rather keep her virginity until marriage than make the same mistake her mother did . She is a dance teacher, but dreams of having a singing career . She marries Jane's father in the Season three finale . In the end of Season 4, she is diagnosed with breast cancer . <Ul> <Li> Catherine Toribio plays a younger Xiomara during some flashback sequences . </Li> </Ul> </Li> <Li> Justin Baldoni as Rafael Solano, the 31 - year - old owner of the Marbella Hotel and the biological father of Jane's child, who has fallen out of love with his wife . As the series progresses, he develops growing feelings for Jane, and divorces Petra after discovering her affair . In season two, he has two daughters with Petra and, in season three, briefly goes to jail . In season four, he and Jane grow closer and it is thought he would propose . </Li> <Li> Yael Grobglas as Petra Solano (birthname: Natalia Andel, later Natalia Dvoracek), Rafael's scheming wife and a member of a shady Czech crime family who got married to Rafael in order to steal his wealth, though over time she did fall in love with him . She later divorces Rafael and in Season 2, inseminates herself with Rafael's sperm and gives birth to their twin daughters, Anna and Ellie (formally Elsa but changed due to Petra hating the "Frozen" references). She is then convicted for the murder of her twin sister, causing her to meet her lawyer Jane . Lawyer Jane and Petra grow closer and then fall in love . </Li> <Li> Ivonne Coll as Alba Gloriana Villanueva, Jane's pious maternal grandmother . She is highly religious, and encourages Jane to save her virginity until marriage . While she is able to speak English, she only speaks Spanish with her family, even when they address her in English . She was in the country illegally until she got her green card in season two . In season 4 she becomes a citizen of America . She falls in love with her boss Jorge . Jorge proposes to Alba, but she denies it . Soon she realizes that that was a mistake but Jorge had moved on . At the end of Season 4, Alba and Jorge get married to help him meet his mother who lives out of the country . </Li> <Li> Brett Dier as Michael Cordero, Jr. (seasons 1--3, 5; guest season 4), Jane's 29 - year - old husband who was a detective . He is aware of Petra's affair, and blackmails her to ensure that her marriage remains intact, so that Jane will give the baby to them, however later he decides to support Jane's decision to keep the baby . He also dislikes Rafael due to Jane's, and eventually Rafael's, attraction to one another . He is the head detective in the hunt for Sin Rostro, a high - profile drug dealer who seems to be based in the Marbella Hotel, however he gets shot while searching for Sin Rostro, he later quits to become a lawyer . Jane and Michael get married in the season two finale . He apparently dies in season three by an aortic dissection caused by a gunshot . In the Season 4 finale, it is revealed that Michael is still alive . </Li> <Li> Jaime Camil as Rogelio de la Vega, a self - involved, famous telenovela star and Jane's biological father . He is currently trying to gain a relationship with his newly discovered daughter . He also has feelings for Xiomara, who was his girlfriend in high school . He marries Xiomara in the season three finale . He desperately wants a child and has one with Darci Factor . They later have the child and named it Baby Michaelina de la Vega Factor . </Li> <Li> Elias Janssen as Mateo Gloriano Rogelio Solano Villanueva (season 4), Jane and Rafael's baby . Named after Jane's grandfather and Alba's husband, who died before Jane was born . <Ul> <Li> Aria Rose Garcia as toddler Mateo Gloriano Rogelio Solano Villanueva . Joseph Sanders played the role in the third season . </Li> </Ul> </Li> <Li> Anthony Mendez (voice over) as the Latin Lover Narrator; Third - person omniscient . The narration features both metanarration and metafiction . </Li> </Ul> <Li> Gina Rodriguez as Jane Gloriana Villanueva, a 23 - year - old, religious young Latina who becomes pregnant after being artificially inseminated by mistake while being engaged to Michael . After meeting Rafael and hearing his situation, she agrees to carry the baby full term and turn over custody to him and his wife Petra, but only if she is sure her baby will be safe and loved with them . Jane breaks off the engagement with Michael due to him keeping secrets from her regarding the Solanos . But, as the pregnancy grows, Rafael and Jane start to have feelings for each other, but the relationship doesn't last very long . Jane ends up having a baby boy named Mateo Gloriano Rogelio Solano Villanueva . She marries Michael Cordero in the season two finale . In the tenth episode of season three, she becomes widowed when he dies from his gunshot wound . After trying to find a letter which Michael wrote her while he was alive, her ex-boyfriend Adam comes back into her life, bringing out her fun side, which had been hidden after giving birth . Adam soon leaves for a job offer . She later finds her feelings resurfacing for Rafael again . Executive producer Jennie Snyder Urman stated that Gina Rodriguez "was literally the third person that came in" during the casting . <Ul> <Li> Jenna Ortega as Young Jane, at age 10, is the most frequent (21 chapters as of season 3) of the four younger "Janes" seen in flashbacks . </Li> </Ul> </Li> <Ul> <Li> Jenna Ortega as Young Jane, at age 10, is the most frequent (21 chapters as of season 3) of the four younger "Janes" seen in flashbacks . </Li> </Ul>

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