The main cast of the TV series "13 Reasons Why" includes:
- Dylan Minnette as Clay Jensen, a student who investigates the reasons behind classmate Hannah Baker's suicide.
- Katherine Langford as Hannah Baker, the student who leaves behind cassette tapes explaining why she took her own life (seasons 1–2).
- Christian Navarro as Tony Padilla, Clay's best friend who helps distribute Hannah's tapes.
- Alisha Boe as Jessica Davis, a student who starts a sexual assault survivors club.
- Brandon Flynn as Justin Foley, a student connected to multiple storylines.
- Justin Prentice as Bryce Walker, a key character involved in significant events.
- Ross Butler as Zach Dempsey, another student involved in the story.
- Miles Heizer as Alex Standall, a student who faces repercussions from the tapes.
- Devin Druid as Tyler Down, a student struggling with his own issues.
- Brenda Strong as Olivia Baker, Hannah's mother.
The show focuses on these characters and others at the fictional Liberty High School, dealing with heavy themes such as suicide, bullying, and sexual assault.
