Trinity is an upcoming television thriller series from Jed Mercurio, starring Richard Madden and Gugu Mbatha-Raw. A naval commander and the Secretary of Defence become involved in a conspiracy. In July 2025 Marcia Gay Harden and JD Pardo joined the main cast. James Remar, Robert Wisdom, Bruce Greenwood, Kirk Acevedo, Ben Cotton, Jason Ralph and Mark O’Brien joined the recurring cast.