Nathan Fillion Richard Castle Actor Stana Katic NYPD Captain Kate Beckett Actor Susan Sullivan Martha Rodgers Actor Jon Huertas NYPD Detective Javier Esposito Actor Tamala Jones Lanie Parish Actor Seamus Dever NYPD Detective Kevin Ryan Actor Molly C. Quinn Alexis Castle Actor Ruben Santiago-Hudson Captain Roy Montgomery Actor Charles Malik Whitfield Charles Wyler Guest Star Bill Smitrovich Ben Davidson Guest Star Peter Jason Sheriff Sloan Guest Star Channon Roe Kevin Henson Guest Star Jerry Kernion Albert Bolland Guest Star Kerrie Keane Mrs. Davidson Guest Star Erin Matthews Elizabeth Guest Star Andrew W. Marlowe Executive Producer Armyan Bernstein Executive Producer Barry Schindel Executive Producer Rob Bowman Executive Producer Laurie Zaks Executive Producer Charles Murray Writer Bryan Spicer Director