This page features all minor characters that made an appearance during the fourth season of Netflix's 13 Reasons Why. It spotlights characters that essentially received minor roles but were relevant enough in the story to which a page was needed to document their involvement. The characters below are listed in order of episode appearance for your convenience. Please use the Minor Character infobox when adding a new addition to the page. Please click here for the minor characters in the first season, here for the minor characters in the second season and here for minor characters in the third season.
Amanda was the tour guide of the Liberty High School students at Sanderson University. She's part of a sorority. When Justin is talking to Amanda, Jessica gets jealous and starts to ask about sexual assault at the university, which Amanda doesn't have an answer to.
Valerie Diaz is the daughter of Sheriff Diaz and the girl Clay lost his virginity to. At a party, she flirts with Clay and later has sex with him. Afterwards, she tells her boyfriend that she hooked up with Clay which resulted in Clay beating up the guy. She's later seen attending Justin's funeral with her dad.
Aaron is the boyfriend of Valerie (Sheriff's Diaz' daughter and Clay's hook-up). After Valerie told him that she hooked up with Clay, Aaron and Clay get into a fight, which Clay ends up winning.
Mr. St. George
Mr. St. George is Charlie St. George's father. Charlie is seen coming out to him as bisexual, to which Mr. St. George tells him that he's proud of him for being himself and he already figured out that Charlie wasn't straight because of his obsession with Eli Manning.
Presmilla was Zach Dempsey's prom date. Clay Jensen, Alex Standall, and Charlie St. George suspect she is a hooker. Some time during the date, Alex and Charlie walked in on Zach taking advantage of a barely conscious Presmilla. They berated Zach, who seemed to be on drugs or drunk at the time, to "be better", and escort Presmilla to a Lyft home.
Heidi is a student who attended to East County. She connected with Clay after graduation because they were both going to Brown. She asked Clay to get a coffee with her to go over the course catalog and first-year handbook. Clay gave her his e-mail, and found out that she also liked Alien Killer Robots.