Cast & Crew zu Knock Knock Knock
| Carol | Lizzy Caplan | |
| Peter | Woody Norman | |
| Miss Devine | Cleopatra Coleman | |
| Mark | Antony Starr | |
| Brian | Luke Busey | |
| The Girl (Sarah) | Aleksandra Dragova | |
| Principal | Jay Rincon | |
| Timothy | Anton Kottas | |
| Brian's Mom | Steffanie Sampson | |
| Kevin (Bunny Mask) | Jivko Mihaylov | |
| Lucious (Cat Mask) | Iliyan Nikolov | |
| Sean (Pig Mask)) | Alexander Carra | |
| Princess | Victoria Velikova | |
| Princess' Mom | Kate Nichols | |
| Katie D. | Leah-Felicity Bay | |
| Ryan G. | James Robinson | |
| Young Sarah (Stimme) | Olivia Sussman | |
| Monster Sarah (Stimme) | Debra Wilson | |
| Regie |
Samuel Bodin |
|
| Buch |
Chris Thomas Devlin |
|
| Kamera |
Philip Lozano |
|
| Schnitt |
Kevin Greutert Richard Riffaud |
|
| Musik |
Drum & Lace |
|