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 Tom Bergeron Bobby Mann Guest Star Kelly Carlson Ellie Monroe Guest Star Fred Willard Hank McPhee Guest Star Bill Bellamy Mickey Reed Guest Star Dan Cortese Howard Weisberg Guest Star French Stewart Zach Robinson Guest Star Beth Broderick Barbara Mann Guest Star Nika King Angel Santana Guest Star Amy Aquino Janine Marks Guest Star Andrew W. Marlowe Executive Producer Armyan Bernstein Executive Producer Barry Schindel Executive Producer Rob Bowman Executive Producer Laurie Zaks Executive Producer David Grae Writer Bryan Spicer Director