- Shortly before being in Rocky (1976), along with his co-star Tony Burton, he did a "MacDonald's" commercial where they played construction workers. Weathers' worker has a "Big Mac Attack" that has him going through walls and getting hit with a wrecking ball.
- Appeared in Michael Jackson's "Liberian Girl" music video
- (2010) TV commercial for Bud Light
- (2014) TV commercial for Shriners Hospitals for Children, with Bernie Kopell, Cloris Leachman, and Markie Post.
- (2006) Author of article "A Voice from the Inside" in February/March issue of "Moving Pictures."