Hero Fiennes-Tiffin as Hardin Scott
Hero Fiennes-Tiffin was born in London, England on November 6, 1997. He is best known for playing 11-year-old Tom Riddle in Harry Potter and the Half Blood Prince, alongside his uncle Ralph Fiennes. Before being cast as Hardin Scott in After, he also played the role of "younger Charlie" in the war based film Private Peaceful.
Josephine Langford as Tessa Young
Josephine Langford was born on August 18, 1997 in Perth, Australia. Before being cast as Tessa Young, she appeared in 2017’s Wish Upon and Pulse. She is the younger sister of 13 Reasons Why actress Katherine Langford.
Samuel Larsen as Zed Evans
Born August 28, 1991 in San Francisco, Samuel Larsen originally started off as a singer and musician, leading him to try out for season 9 of American Idol. After not making it to the semifinals, he stayed in Hollywood working as a model and musician. His first opportunity as an actor was in season 3 of Glee where he played Joe Hart in over 20 episodes.
Shane Paul McGhie as Landon Gibson
Shane Paul McGhie is an American actor who was born in Los Angeles, California.
From early childhood Shane had a desire to be on the stage and in front of the camera. At the mere age of 4 Shane was already practicing his Oscar acceptance speeches, perched atop of his couch addressing his stuffed animal audience. After graduating from high school in June 2011, he attended Cal State Northridge for a year while pursuing his acting career. He then transferred to the University of Southern California (USC), where he graduated with a BFA in Acting in 2016.
Selma Blair as Carol Young
Selma Blair was born near Detroit, Michigan on June 23, 1972. After graduating from the University of Michigan in 1995 with degrees in both English and Psychology, she moved to New York City to pursue a career in acting. She is best known for her major roles in the Cruel Intentions (1999), Legally Blonde (2001), The Sweetest Thing (2002), Hellboy (2004) and Mom and Dad (2017). She also appeared in FX's series Anger Management and The People v. O.J. Simpson: American Crime Story.
Pia Mia as Tristan
Born in Guam on September 19, 1996, Pia Mia is a singer, songwriter, and model. She started by posting videos of herself singing on video sharing site YouTube, later going on to star in commercials and music videos. She has released two EPs, The Gift and The Gift 2, and has collaborated with many musicians including will.i.am, Tyga, Chris Brown and Chance The Rapper.