Keegan Michael Key and Regina Hall have joined the cast of New Line Cinema's Vacation reboot, which started shooting in Atlanta earlier this month.

Ed Helms stars as Rusty Griswold, the now-adult son of Clark (Chevy Chase) and Ellen Griswold (Beverly D'Angelo), who takes his wife (Christina Applegate) and their sons (Skyler Gisondo and Steele Stebbins) on a road trip vacation to Walley World, America's greatest amusement park.

Keegan Michael Key and Regina Hall are playing friends of the Griswolds, who are described as the "perfect family." Charlie Day, Chris Hemsworth and Elizabeth Gillies round out the supporting cast.

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John Francis Daley and Jonathan M. Goldstein are directing from their own screenplay, with David Dobkin and Chris Bender producing.

Keegan Michael Key recently starred in Let's Be Cops, and his Comedy Central series Key & Peele just started its fourth season. Regina Hall most recently starred in About Last Night and Think Like a Man Too.