Nathan Fillion John Nolan Actor, Executive Producer 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 Shawn Ashmore Wesley Evers Guest Star Sarah Shahi Jessica Russo Guest Star Ali Larter Dr. Grace Sawyer Guest Star Brent Huff Officer Smitty Guest Star Michelle Bernard Officer Desantos Guest Star Seamus Dever Chaz Bachman Guest Star Jon Huertas Cesar Ojeda 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 Cory "Zooman" Miller Writer Barbara Brown Director