By Michael Ausiello
Updated January 11, 2010 at 09:24 PM EST

Brothers & Sisters is flashing back to the ’70s and ’80s. The ABC drama is casting younger versions of the entire Walker clan for a special two-part episode set in 1973 and 1986. Among the roles the show is looking to fill:

William Walker at 33 (set in 1973)

Nora Walker at 28 (set in 1973)

Holly Harper at 21 (set in 1973)

Kevin Walker at 14 (set in 1986)

Kitty Walker at 18 (set in 1986)

Tommy Walker at 16 (set in 1986)

Sarah Walker at 20 (set in 1986)

Thoughts? Casting suggestions?