The characters in the 13 Reasons Why series are Katherine Langford, who acted as Hannah Baker, Dylan Minnette as Clay Jensen, Christian Navarro as Tony, Ajiona Alexus as Sheri Holland, Brandon Larracuente as Jeff Atkins, Sosie Bacon as Skye Miller, Uriah Shelton as Pratters, Allison Miller as Sonya Stuhl, Amy Hargreaves as Lainie Jensen, Derek Luke as Mr. Porter, Kimiko Gelman as Vice-Principal Jane Childs, Jillian Nordby as Amanda K.
Cheerleader, Brian d’Arcy James as Andy Baker, Brandon Flynn as Justin, Parminder Nagra as Priya Singh, Kate Walsh as Mrs. Baker, Nina Cheek (Student #3), Sullivan Rutherford (Student #2), Michael Sadler (Student #1), Justin Prentice as Bryce, Kyra Cromwell as Cheerleader, Alisha Boe as Jessica, Devin Druid as Tyler, and Ross Butler as Zach. These listed above are the main characters in the 13 Reasons Why Series. There are some more characters in the movie series, but these are the ones that actually do feature most in the season movie.