Larry David, Stephen Moyer and Anna Paquin Larry David, Stephen Moyer and Anna Paquin

Meg Ryan and Christian Slater will be among the A-list guest stars on Curb Your Enthusiasm's fall season. In other HBO news, True Blood, Entourage and Hung will all be back next summer.

Watch full episodes of Curb Your Enthusiasm in our Online Video Guide

Curb, which last saw the light of day nearly two years ago, returns for a seventh season on Sunday, Sept. 20 at 9/8c, the network announced at the fall TV previews in Los Angeles. In addition to the previously announced Seinfeld reunion, Ted Danson, Bob Einstein, Vivica A. Fox, Richard Lewis, Rosie O'Donnell, J.B. Smoove and Mary Steenburgen will all reprise their recurring roles. Guest stars will include Sharon Lawrence, Catherine O'Hara, Meg Ryan, Elisabeth Shue, Christian Slater and Sherry Stringfield.

Read our episode recaps of True Blood

The cable network also renewed three of its series for an additional season: True Blood, Entourage and Hung will all return in summer 2010.