Fox was already playing the "Arrested Development Reunion" card in promoting the new fall sitcom Running Wilde, with Will Arnett at the lead, teaming with Arrested creator Mitch Hurwitz and go-to writer Jim Vallely.  That card is worth just a little bit more now, as fellow alumnus David Cross has joined the cast as a series regular; he will appear in seven of the thirteen first season episodes ordered so far.  The Wilde cast was already pretty alluring: Keri Russell stars as the female lead opposite Arnett, a "lovable, but immature playboy."  Hit the jump for the full synopsis.

From The Live Feed's character description, it sounds like Cross will replace Andrew Daly, who played Russell's environmentalist partner in the pilot.  It's almost too bad, because Daly is a funny man.  Yet, I'll never say no to more David Cross on network television, and his talents are suited for the daffy nature of the role.

Cross recently headed up his own Arnett reunion on the other side of the Atlantic with The Increasingly Poor Decisions of Todd Margaret at Channel 4.  There was a point when you could watch the entire first episode online, but it appears the video has been taken down.  On the other hand, IFC promises to air the six-episode series by "fall of this year," at which point our American airwaves will be filled with Cross and Arnett.  Excellent.

Here's the official synopsis for Running Wilde:

The new romantic comedy from “Arrested Development’s” Jim Vallely, Mitch Hurwitz and Will Arnett. Starring Arnett (“30 Rock”) and Keri Russell (“Waitress,” “Felicity”), the comedy centers on a lovable, but immature playboy (Arnett) trying desperately to win (or buy) the heart of his childhood sweetheart (Russell), the über-liberal humanitarian who got away.

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