Mark McKenna Joins One of Us is Lying Cast

Mark McKenna (Wayne, Sing Street) has joined the cast of Peacock’s One of Us is Lying.

The upcoming series from UCP, a division of Universal Studio Group, is based on the Karen M. McManus best-selling novel of the same name, with Elite co-creator Darío Madrona serving as showrunner and executive producer.

The series tells the story of what happens when five high schoolers walk into detention and only four make it out alive. McKenna has landed the role of Simon, described as a “brainy outcast” who operates a gossip app.

McKenna joins a cast that already includes Marianly Tejada, Cooper van Grootel, Annalisa Cochrane, Chibuikem Uche, Jessica McLeod, Barrett Carnahan and Melissa Collazo.