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 Ray Wise Bobby Fox Guest Star Don Franklin Tommy Zane Guest Star José Zúñiga Alfredo Quintana Guest Star Joe Torre Himself Guest Star Arye Gross M.E. Sidney Perlmutter Guest Star Chandra West Maggie Vega Guest Star Vanessa Martinez Lara Blanco Guest Star Rebeka Montoya Ana Rivera Guest Star Andrew W. Marlowe Executive Producer Armyan Bernstein Executive Producer Barry Schindel Executive Producer Rob Bowman Executive Producer Laurie Zaks Executive Producer Jose Molina Writer David Barrett Director