Daniel Brierley of My Face is in Space and Checkpoint is the series creator and writer alongside Jed Mercurio of Line of Duty and Julia Stannard of Peace as the producers. Mark Redhead of Bodies and Jimmy Mulville of Bloodlands are the chief producers, with Jennie Darnell and Gilles Bannier as the directors.
Besides Lester and McClure, Trigger Point also stars Inspector Lee Robins, portrayed by Cal MacAninch of Des, Sonia Reeves depicted by Kerry Godliman of After Life, Karl Maguire by Warren Brown of Liar; and DI Thom Youngblood acted by Mark Stanley of White House Farm.
Other talented icons include Gavin Sibson, Tom Stokes, Gwynfor Jones, Manjinder Virk, Ralph Ineson, Nabil Elouahabi, Kris Hitchen, and Rick Warden.