The phrase "central casting" refers to a stereotype or an exaggeration of a specific role or character that someone fits so perfectly as if they were specifically chosen for that role in a movie or play. Full definition
I'm sure they can find parents from central casting for this purpose. (jonathanpelto.com)
«If you want the politician from central casting, it's just not me, it's the other guy,» he said. (theguardian.com)
Outside of the seven central cast members (who have all stayed with the show from day one), the guest and supporting cast of «Scrubs» can be divided into a number of classes, which one of the Season Two DVD's bonus features mostly did. (dvdizzy.com)