ScreenCrush wraps up the day's movie- and TV-related events you might have missed. Today, we've got new casting gigs for Zac Efron and Marcia Gay Harden, 'Glee' star Naya Rivera's sexy new music video with 2Cellos, a closer look at the 'Iron Man 3' armor, details on how 'The Wolverine' could have gone, and more! Plus, look back at all the great black cowboys from film. 

- The incredible history of black cowboys in film. [Moviefone]

- WATCH: Worst movies of 2012 review...themselves? []

- 'Heroes' star finds a new gig at The CW. [Zap2It]

- WATCH: Naya Rivera's sexy music video with 2Cellos. []

- CASTING: JFK flick 'Parkland' lands Zac Efron and Marcia Gay Harden. [Collider]

- Find out how 'X-Men Origins: Wolverine' could have been a lot different. [Screen Rant]

- CASTING: 'Focus' loses Ben Affleck, but keeps Kristen Stewart...for now. [Variety]

- Eight Edgar Allen Poe getting low-budget adaptations. [THR]

- Check out the new 'Iron Man 3' toys. [Idle Hands]

- CASTING: 'Glee' star gets the lead in Disney's 'Frozen.' [Coming Soon]

- Click the image below for the full chart of shortest actors in Hollywood. [NextMovie]