| 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
(as Molly Quinn) |
| Penny Johnson Jerald | Captain Victoria Gates
(credit only) |
| Meghan Markle | Charlotte Boyd /
Sleeping Beauty |
| Taylor Kinney | Darren Thomas |
| Sarah Jane Morris | Leslie Morgan |
| June Squibb | Jamie Isaacson |
| Jason Thompson | Noah Curtis |
| Gloria Garayua | Jesse |
| Nicholas Downs | Marcus O'Neill |
| Lindsey Santefort | Amy Morgan /
Red Riding Hood |
| James Bannon | Voice Actor
(uncredited) |
| Jett Dunlap | Clint
(uncredited) |