Stała obsada sezonu 8

1. 

   Nathan Fillion

   Richard Castle

2. 

   Stana Katic

   Kate Beckett

3. 

   Molly C. Quinn

   Alexis Castle

4. 

   Jon Huertas

   Javier Esposito

5. 

   Seamus Dever

   Kevin Ryan

6. 

   Susan Sullivan

   Martha Rodgers

7. 

   Tamala Jones

   Lanie Parish

8. 

   Penny Johnson Jerald

   Victoria Gates

Goście specjalni 14

1. 

   Andrew J. West

   Keith

2. 

   C. Thomas Howell

   John Campbell

3. 

   Daniel Roebuck

   Joe Silva

4. 

   Nick Thurston

   Buck Cooper / Hank Rodgers

5. 

   Chris Coy

   Zeke

6. 

   Amir Talai

   Sam Spear

7. 

   Kristen Miller

   Caroline

8. 

   Lydia Hull

   Front Desk Clerk

9. 

   Max Arciniega

   Billy Bash

10. 

    Brian Maillard

    Joel Mitas

11. 

    Sarah Scott

    Butterfly

12. 

    Hunter Jackson

    James Swan

13. Justin Sandler

    New Guitarist

14. 

    L.T. Tolliver

    LT

Ekipa 2