Jessy Schram (Sarah Hollister)Michael Beach (Preston)William Fichtner (Dan Hollister)Holt McCallany (Bobby Kohl)Xander Berkeley (Jay Graham)Sherry Stringfield (Elizabeth Hollister)Riley Smith (Jim Pollard)Charles Michael Davis (Hicks)Ian Reed Kesler (Sparks)Dondré T. Whitfield (Chris Talbot)Wendy Glenn (Skye)Conor O'Farrell (Bill Greer)Ian Nelson (Eric Graham)Kaili Thorne (Alison Hollister)Antone Pagán (Antone Bello)Paul Sanchez (Tribal Sheriff)Frank Powers (STI Agent)J.D. Marmion (STI Agent)
A hybrid television format - "Day" follows the professional life of ATF officer Dan Hollister as he leads a "Special Threat Intervention" task force" (STI) through a dangerous underworld that threatens the homeland security of The United States of America. "Night" continues a day in the life, following Hollister home as he and his wife, Elizabeth, ford the challenges of their life together raising three teenagers in a modern world - all this while transitioning into the beginning of the third act of their lives. "Night and Day" consists of two separate casts linked through the daily experiences of Dan Hollister.