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 Jonathan Silverman Guest Star Marin Hinkle Guest Star Kristoffer Polaha Guest Star Maurice Benard Guest Star Sunkrish Bala Guest Star Kate Cobb Guest Star Brian Scolaro Guest Star Patrick Laborteaux Guest Star Terence Paul Winter Executive Producer Alexi Hawley Executive Producer Rob Bowman Executive Producer Rob Hanning Executive Producer, Writer Armyan Bernstein Executive Producer Bill Roe Director