Elenco principal da temporada 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. 

   Toks Olagundoye

   Hayley Shipton

Convidados Especiais 9

1. 

   Jack Coleman

   William Bracken

2. 

   Sunkrish Bala

   Vikram Singh

3. 

   Brad Lee Wind

   Franco Mancini

4. 

   Coby Ryan McLaughlin

   Brooks

5. 

   Tim Fields

   Man

6. 

   Jamie Martz

   Male EMT

7. 

   Alla Korot

   Dry Cleaner

8. Charles Ambrose

   Final Henchman

9. 

   Daisy Betts

   A.J.

Equipa técnica 3