Roz Ryan. Actress: Hercules. Ms. Ryan has entertained audiences for more than 30 years as an actress, singer, recording artist, nightclub, and concert performer. From the hottest night spots throughout the Midwest and Coast to Coast, from Broadway to the fabulous Las Vegas Strip to the cruise decks of some of the most famous ships in the United States. Ms. Ryan's Broadway credits include, Dreamgirls, (the role of Effie White,...