Stała obsada sezonu 8

1. 

   Nathan Fillion

   Richard Castle

2. 

   Stana Katić

   Kate Beckett

3. 

   Molly C. Quinn

   Alexis Castle

4. 

   Jon Huertas

   Javier Esposito

5. 

   Seamus Dever

   Kevin Ryan

6. 

   Susan Sullivan

   Martha Rodgers

7. 

   Ruben Santiago-Hudson

   Roy Montgomery

8. 

   Tamala Jones

   Lanie Parish

Goście specjalni 14

1. 

   Stephen J. Cannell

   Self

2. 

   Bill Tangradi

   Hank

3. 

   Dmitri S. Boudrine

   Ilya

4. 

   David Bowe

   Max Haverstock

5. 

   David Meunier

   Sasha

6. 

   Elizabeth Ho

   Amy Saunders

7. 

   Laurel Holloman

   Sandy Allen

8. 

   Robert Gant

   Ron Bigby

9. 

   Jonathan T. Floyd

   Luther

10. 

    Luis Moncada

    Jesus

11. 

    Adam J. Smith

    Tom Moroni

12. 

    Michael Petrone

    Ivan

13. Stefan Ionesco

    Serge

14. 

    Michael Connelly

    Self

Ekipa 2