Most recently, Rocco lent his vocal talents to the animated character of Thorny in A Bug's Life opposite such notable voices as Julia Louis-Dreyfus and Phyllis Diller. Also this year, he starred in the romantic comedy Just Write with Sherilyn Fenn and JoBeth Williams, and in the crime-thriller Goodbye Lover opposite Patricia Arquette, Don Johnson and Ellen DeGeneres. He has more than 50 feature film credits to his name, including such hits as Tom Hank's That Thing You Do! and Get Shorty.
On television, Rocco previously worked with director Hugh Wilson on the series The Famous Teddy Z, for which Rocco won an Emmy Award. He has also starred as Harry Rossetti on The George Carlin Show and has worked on many television movies including Harmful Intent, Love, Honor & Obey: The Last Mafia Marriage, Boris and Natasha, How to Marry a Millionaire and many more.