| cast |
 |
|
|
|
| Series Regulars | |||
| |||
| Nathan Fillion | Nathan Fillion as Richard Castle | Stana Katic | Stana Katic as Detective Kate Beckett |
| Susan Sullivan | Susan Sullivan as Martha Rodgers | Molly Quinn | Molly Quinn as Alexis Castle |
| Tamala Jones | Tamala Jones as Lanie Parish | Jon Huertas | Jon Huertas as Detective Javier Esposito |
| Seamus Dever | Seamus Dever as Detective Kevin Ryan | Ruben Santiago-Hudson | Ruben Santiago-Hudson as Captain Roy Montgomery |
| Penny Johnson Jerald | Penny Johnson Jerald as NYPD Captain Victoria Gates | | |
| |||
| Recurring & Guests | |||
| |||
| Victor Webster | Victor Webster as Josh Davidson | Michael Trucco | Michael Trucco as Detective Tom Demming |