UnScramble this Word: a b s r e i?

Questions

Whose autobiography is titled Groucho & Me?

Whose legs were shown in place of Julia Roberts' legs in 'Pretty Woman'?

Whose life was the subject of the 1974 movie "Lenny"?

Whose sister, Pamela appeared in the 1988 movie Sleepaway Camp 2?

Wings On TV: Characters from this series pop up on the show occasionally?