| Nathan Fillion | Richard Castle |
| Stana Katic | Kate Beckett |
| Susan Sullivan | Martha Rodgers |
| Jon Huertas | Javier Esposito |
| Seamus Dever | Kevin Ryan |
| Tamala Jones | Lanie Parish |
| Molly C. Quinn | Alexis Castle |
| Penny Johnson Jerald | Captain Victoria Gates |
| Don McManus | Archie 'The Savannah Hammer' Bronstein |
| Brian McNamara | Mike Sampson |
| Meredith Monroe | Elise Resner |
| Maya Stojan | Tory Ellis |
| Roshawn Franklin | Derek 'Lightning' Bolt |
| Nikki Deloach | Annie Klein |
| Brina Palencia | Jody Evans |
| Scott Broderick | Richie 'The Pitbull' Falco |
| Ali Chen | CSU Tech |
| Jan M. Janssen | Uniformed Cop |
| Elena Nikitina Bick | Dancer
(uncredited) |
| Benjamin Pitz | Pitbull Client- Paper in Face
(uncredited) |