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 Adam Harrington Guest Star Lauralee Bell Guest Star Erin Chambers Guest Star Tim Ransom Guest Star Larry Sullivan Guest Star Millicent Martin Guest Star Mike Faiola Guest Star Andrew W. Marlowe Executive Producer Rob Bowman Executive Producer Laurie Zaks Executive Producer David Amann Executive Producer Moira Kirland Writer Kevin Hooks Director