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Who Is Diego On '13 Reasons Why'? Jan Luis Castellanos Joined For Season 4

As if everyone at Liberty High wasn't already suspicious enough, and the final season of 13 Reasons Why is bringing in a new student to shake things up. The trailer for Season 4 provided a first look at Diego Torres, a member of the school's football team who will play a pivotal role in uncovering the truth in the teen drama's farewell season. So, who is Diego on 13 Reasons Why? It sounds like he is going to be a complicated figure.

Earlier this year, it was announced that Runaways actor Jan Luis Castellanos had joined the fourth season of 13 Reasons Why as the new character Diego. The jock is apparently going to be the new Liberty High football captain tasked with uniting the team after both Bryce and Monty's deaths. The Season 4 trailer revealed even more about where Diego's loyalties lie, revealing Winston (the guy Monty was hooking up with right before his arrest and death) will team up with Diego to investigate who framed Monty for Bryce's murder and why.

According to Deadline, Diego is aggressive and has a violent temper, so you can bet he'll be taking a more hands-on approach to the investigation. The trailer teases one of the brawls Diego will be a part of, as fans can see him knocking Zach to the ground and punching him in the face.

But it doesn't seem like Diego will be a one-dimensional brute; Deadline revealed he will fall for "one of Liberty High’s most complicated women." By that clue alone, it's not a stretch to hypothesize he'll become involved in some way with Jessica, and the trailer seems to hint at this with a quick shot of the two characters together.

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Though Diego is a new addition to the mix, the fact that he could date Jessica while also leading the charge to clear Monty's name is next-level messy — meaning he'll fit in great with the rest of the characters. Of course, Jessica knows the full truth about Bryce's death, having witnessed Alex push him over the pier in person, so if she does get close enough with Diego, she may confide in him what really happened. There's also the fact that both Justin and Alex have unresolved feelings for Jessica, which could lead to some heated conflict if they find out she's linked with the jock trying to expose all their crimes.

Find out how Diego is going to shake up life at Liberty High when 13 Reasons Why Season 4 premieres on Netflix on Friday, June 5.