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 Hilarie Burton Guest Star Justin Hartley Guest Star Nana Visitor Guest Star Ed F. Martin Guest Star Kevin E. West Guest Star Scott Lowell Guest Star Jim Abele Guest Star Andrew W. Marlowe Executive Producer Rob Bowman Executive Producer Laurie Zaks Executive Producer David Amann Executive Producer Rob Hanning Writer Thomas J. Wright Director