Nathan Fillion Richard Castle Actor Stana Katic NYPD Captain Kate Beckett Actor Susan Sullivan Martha Rodgers Actor Molly C. Quinn Alexis Castle Actor Ruben Santiago-Hudson Captain Roy Montgomery Actor Tamala Jones Lanie Parish Actor Jon Huertas NYPD Detective Javier Esposito Actor Seamus Dever NYPD Detective Kevin Ryan Actor Julian Sands Teddy Farrow Guest Star Matt Barr Travis McBoyd Guest Star Shanna Collins Rina Guest Star Jon Fleming Will James Guest Star Jason E. Kelley Event Organizer Guest Star Jeffrey Pierce Wyatt Monroe Guest Star Torrey DeVitto Sierra Goodwin Guest Star Andrew W. Marlowe Executive Producer Armyan Bernstein Executive Producer Barry Schindel Executive Producer Rob Bowman Executive Producer Laurie Zaks Executive Producer Moira Kirland Writer Dwight H. Little Director