Nathan Fillion Richard Castle Actor Stana Katic NYPD Captain Kate Beckett Actor Susan Sullivan Martha Rodgers Actor Molly C. Quinn Alexis Castle Actor Penny Johnson Capt. Victoria Gates Actor Tamala Jones Lanie Parish Actor Jon Huertas NYPD Detective Javier Esposito Actor Seamus Dever NYPD Detective Kevin Ryan Actor Sunkrish Bala Guest Star Brad Lee Wind Guest Star Coby Ryan McLaughlin Guest Star Jack Coleman Guest Star Daisy Betts Guest Star Terence Paul Winter Writer, Executive Producer Alexi Hawley Writer, Executive Producer Rob Bowman Director, Executive Producer Rob Hanning Executive Producer Armyan Bernstein Executive Producer