Here's why:
* "Step Brothers" is a completed film. The movie was released in 2008 and its cast is already established.
* The film's success was largely due to the specific casting of Will Ferrell and John C. Reilly. Their comedic chemistry was crucial to the movie's success, and it's unlikely they'd be replaced for any reason.
* Studios don't typically hold open auditions for established franchises or projects. They usually work with casting directors and agents to find suitable actors.
If you're interested in acting, you can find opportunities through:
* Casting websites: Backstage, Actors Access, and Casting Networks
* Agent or manager: This is the most efficient way to get access to auditions.
* Local theatre groups and productions: This is a great way to gain experience and build your resume.
Good luck with your acting career!