Our Town, done well is timeless.
Almost, Maine is delightful.
(You Can't Take it With You is a blast as well.)
A previous poster is right, there are few new plays with large casts. August: Osage County has a large cast, but predominately females - and not right for every community.
What about any of the Complete (abridged) plays: There is a Shakespeare one, a US History one, and a Bible one. All easily expandable to a large cast.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.