We relies highly on talent or a well known entertainment franchise to raise the value of an entertainment project and draw out larger audiences.
In pre-production, the actors are signed on and prepared for their roles, crew is signed on, shooting locations are found, sets are built or acquired, and the proper shooting permits are acquired for on location shooting. Actors and crew are hand picked by the producer, director, and casting director, who often use collaborators or referenced personnel to prevent untrusted or unwelcomed people from gaining access to a specific production and compromising the entire production through leaks. Once a production enters into principal photography, it begins filming. Productions are almost never cancelled once they reach this phase..