Nathan Fillion Richard Castle Actor Stana Katic NYPD Captain Kate Beckett Actor Susan Sullivan Martha Rodgers Actor Molly C. Quinn Alexis Castle Actor Ruben Santiago-Hudson Captain Roy Montgomery Actor Tamala Jones Lanie Parish Actor Jon Huertas NYPD Detective Javier Esposito Actor Seamus Dever NYPD Detective Kevin Ryan Actor Michael Rady Evan Murphy Guest Star Charlene Amoia Ana Marie Guest Star Gino Cafarelli Dean Carbino Guest Star Justice Gamble Bartender Guest Star Lisa O'Hare Kitty Canary Guest Star Craig Gellis Earl Moreland Guest Star Andrew W. Marlowe Executive Producer, Writer Rob Bowman Executive Producer, Director Laurie Zaks Executive Producer David Amann Executive Producer