Cast of 13 Reasons Why

Clay Jensen is a high school student who discovers cassette tapes detailing the reasons behind Hannah Baker's suicide.

Hannah Baker is a student who leaves behind tapes explaining her reasons for ending her life.

Ani Achola is a new student at Liberty High School who becomes entangled in its secrets.

Tony Padilla is a close friend of Clay who helps him understand the tapes.

Jessica Davis is a student at Liberty High who is connected to the events described in Hannah's tapes.

Justin Foley is a student and one of the people mentioned in Hannah's tapes.

Bryce Walker is a student who plays a significant role in the events leading to Hannah's decision.

Alex Standall is a student whose actions are among those detailed in Hannah's tapes.

Zach Dempsey is part of the group at Liberty High connected to the tapes.

Tyler Down is a student and photographer who is part of the narrative told in the tapes.

Montgomery de la Cruz is a student whose actions are included in the stories on the tapes.

Lainie Jensen is Clay's mother and a lawyer, concerned about her son's involvement with the tapes.