The main cast of the TV series "13 Reasons Why" includes:

• Dylan Minnette as Clay Jensen
• Katherine Langford as Hannah Baker
• Christian Navarro as Tony Padilla
• Alisha Boe as Jessica Davis
• Brandon Flynn as Justin Foley
• Miles Heizer as Alex Standall
• Ross Butler as Zach Dempsey
• Justin Prentice as Bryce Walker
• Devin Druid as Tyler Down
• Amy Hargreaves as Lainie Jensen
• Derek Luke as Kevin Porter

These actors portray key characters involved in the storyline around the aftermath of Hannah Baker's suicide and related events at Liberty High School.