Vimeo’s Video School is an excellent source of advice on video production. The Vimeo Video School covers everything from lighting to acting to editing and just about everything in between.

The latest video added to the Vimeo Video School is a fun video about the people present on a movie set. If you’ve ever wondered why there are so many assistant directors or what an assistant director does, Who’s Who on a Movie Crew will tell you.

Who’s Who on a Movie Crew from Vimeo Video School on Vimeo.

H/T to Open Culture.