Alexi Hawley Creator, Executive Producer, Writer Nathan Fillion John Nolan Actor, Executive Producer Mekia Cox Nyla Harper Actor Alyssa Diaz Angela Lopez Actor Richard T. Jones Sergeant Wade Grey Actor Titus Makin Jr. Jackson West Actor Melissa O'Neil Lucy Chen Actor Eric Winter Tim Bradford Actor Harold Perrineau Detective Nick Armstrong Guest Star Ali Larter Dr. Grace Sawyer Guest Star Jasmine Mathews Rachel Hall Guest Star Annie Wersching Rosalind Dyer Guest Star Hannah Kasulka officer Erin Cole Guest Star Hrach Titizian Ruben Derian Guest Star Themo Melikidze Serj Derian Guest Star Mark Gordon Executive Producer Michelle Chapman Executive Producer Jon Steinberg Executive Producer Bill Norcross Executive Producer Terence Paul Winter Executive Producer Rob Bowman Executive Producer Bill Roe Director