Nathan Fillion Richard Castle Actor Stana Katic NYPD Captain Kate Beckett Actor Tamala Jones Lanie Parish Actor Jon Huertas NYPD Detective Javier Esposito Actor Seamus Dever NYPD Detective Kevin Ryan Actor Molly C. Quinn Alexis Castle Actor Susan Sullivan Martha Rodgers Actor Toks Olagundoye Hayley Actor Corbin Bleu Guest Star Arnell Powell Guest Star Reilly Brooke Smith Guest Star Sonya Eddy Guest Star Mark Famiglietti Guest Star Fiona Gubelmann Guest Star Joe Regalbuto Guest Star Terence Paul Winter Executive Producer Alexi Hawley Executive Producer Rob Bowman Executive Producer Rob Hanning Executive Producer Armyan Bernstein Executive Producer Robert Bella Writer Hanelle M. Culpepper Director