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 Zayne Emory Henry Nolan Guest Star Madeleine Coghlan Abigail Guest Star Daniel Lissing Sterling Freeman Guest Star Jeffrey D. Sams Dr. Solomon Lowell Guest Star Alexi Hawley Executive Producer 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 Robert Bella Writer Chi Yoon Chung Director