Kevin Spacey has made a name for himself in the theater. There are many performances that I'm still collecting information on and photos, if I can find them.
The first one here is from 1984. The description is sketchy, at best.
Next is from Eugene O'Neill. Kevin is struggling in a dysfunctional family. He appeared with Jack Lemmon and Peter Gallagher in this production which, luckily is available on videotape.
(photos courtesy of Spaceyland)