The 15 episodes that comprise 'Arrested Development's fourth season remain well in the can as we approach the May 26 debut, but that doesn't mean Netflix doesn't have a few more surprises in store.'Cougar Town' star Busy Philipps and comedienne Natasha Leggero are the latest to join the apparently ever-growing cast, but whom might they play? Get the latest 'Arrested Development' scoop inside!

Earlier today saw the release of the official 'Arrested Development' season 4 poster, featuring the Bluth family holed up in a shipping crate, though it seems more and more that the new Netflix season would need an entire shipping yard for its many guest stars. Via Zap2It, we've learned that the latest to make an appearance across the 15 episodes premiering May 26 are 'Cougar Town' star Busy Philipps and comedian Natasha Leggero, portraying news anchors in an undisclosed scene.

In addition to Philipps and Leggero, 'Arrested Development’ season 4 will feature guest appearances from ‘The Office‘s' John Krasinksi, Kristen Wiig and Seth Rogen, Conan O’Brien and Andy Richter, ‘Parks and Recreation‘s’ Ben Schwartz, ‘Up All Night’s’ Chris Diamantopoulos, all three stars of Comedy Central’s ‘Workaholics,’ ‘Mad Men’s’ John Slattery, Isla Fisher and Terry Crews, as well as returning series players Martin Mull, Ben Stiller, James Lipton, Carl Weathers, Jeff Garlin, Liza Minnelli, Judy Greer, Henry Winkler and Scott Baio.

All this, and you'd think we've have a trailer by now! Tell us what you want to see from 'Arrested Development' season 4 in the comments!