WhatsPlaying apparently has some insider news that Sony is looking at SNL members Bill Hader and Will Forte for roles in the film. We've previously heard while the original cast members will be returning we'll likely be seeing a younger group of busters being mentored by the old crew.
Bill Hader has slowly become a very big name in the new era of comedy. He's had some scene stealing roles in films like Forgetting Sarah Marshall, Superbad, Adventureland, Pineapple Express, Knocked Up, Tropic Thunder and the upcoming sci-fi comedy Paul. Not to mention his weekly contribution to SNL which is one of the best resons to wtch the show.
FeatureFilmAuditions lists Anna Faris has been cast. There had been talk that the film would feature a female Ghostbuster. Faris and Hader worked together on the very successful Cloudy With A Chance of Meatballs which could have proved to the studio the two have chemistry. She's also previously worked with director Ivan Reitman on My Super Ex-Girlfriend.
Anna is another underrated comedic actor. While she doesn't always make great films she can deliver with roles like in Smiley Face and Observe & Report.
Rogen sort of put himself out of the running saying he didn't think the third film could be good. I wonder what he thinks now that Ivan Reitman is back in the director's chair and the original cast are returning.