Ali Liebert as Ann Prentiss, Addy's mother.Harvey as Lucas Clay, Cooper's younger brother (season 1) Hugo Ateo as Javier Rojas, Bronwyn and Maeve's father (season 1).

Valerie Cruz as Isabella Rojas, Bronwyn and Maeve's mother.

Karim Diane as Kris, Cooper's secret boyfriend.

Martin Bobb-Semple as Evan, Bronwyn's boyfriend.

George Ferrier as TJ Forrester, Jake's best friend who has a crush on Addy.

Zenia Marshall as Keely, Cooper's girlfriend.

Alimi Ballard as Kevin Clay, Cooper's father and coach (season 2, recurring season 1).

Sara Thompson as Vanessa Clark, Addy's best friend and TJ's best friend (season 2, recurring season 1).

Melissa Collazo as Maeve Rojas, Bronwyn's younger sister.

Mark McKenna as Simon Kelleher, the creator of an online gossip group who dies during detention (season 1, guest season 2).

Jessica McLeod as Janae Matthews, Simon's best friend.

Barrett Carnahan as Jake Riordan, the captain of the football team and Addy's boyfriend.

Cooper van Grootel as Nate Macauley, a student and drug dealer on probation.

Marianly Tejada as Bronwyn Rojas, an overachiever focused on her future.

Chibuikem Uche as Cooper Clay, a closeted baseball pitcher with a promising career.

Annalisa Cochrane as Addy Prentiss, a popular cheerleader.

Each of the four students had a motive to kill Simon, and after it is determined his death was not an accident, an investigation ensues. Simon, known for starting an online gossip group with his friend Janae to snitch on his classmates, suffers a sudden and fatal allergic reaction. In January 2023, the series was canceled after two seasons.Īt Bayview High, five students – Simon, Addy, Cooper, Bronwyn, and Nate – are given detention. In January 2022, the series was renewed for a second season which premiered on October 20, 2022. The series premiered on Peacock on October 7, 2021, and was met with generally positive reviews from critics. It stars Mark McKenna as Simon, the deceased student, and Annalisa Cochrane, Chibuikem Uche, Marianly Tejada, and Cooper van Grootel as the main suspects, with Barrett Carnahan, Jessica McLeod, and Melissa Collazo, Sara Thompson and Alimi Ballard in supporting roles.

McManus and follows five high school students who enter detention, where one of them dies under suspicious circumstances and an investigation ensues. The series is based on the 2017 novel of the same name by Karen M. One of Us Is Lying is an American teen drama mystery television series developed by Erica Saleh.

One of us is lying series book