Conversation so far:
What types of things has Sylvester Stallone done other than act?
Sylvester Stallone made his directorial debut and starred in the 1978 film Paradise Alley.
Who else was in the movie Paradise Alley besides Sylvester Stallone?
Armand Assante appeared in Paradise Alley. Anne Archer also starred.
Was the film Paradise Alley a success?
Paradise Alley received negative reviews from many critics.

Question: Is directing the only type of thing he has done, other than act?
Self-contained rewrite: Is directing the only type of thing Sylvester Stallone has done, other than act?