Pravidelné obsadenie série 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

Hosťujúce hviezdy 9

1. 

   Meghan, Duchess of Sussex

   Charlotte Boyd

2. 

   Taylor Kinney

   Darren Thomas

3. 

   Sarah Jane Morris

   Leslie Morgan

4. 

   Jason Thompson

   Noah Curtis

5. 

   Gloria Garayua

   Jesse

6. 

   June Squibb

   Jamie Isaacson

7. 

   Nicholas Downs

   Marcus O'Neill

8. Lindsey Santefort

   Amy Morgan

9. 

   Jett Dunlap

   Clint

Štáb 2