- Comedy Central - Comedian
- Destination Hollywood Tribute
- FamousHookups.com - relationship info, photos, and news
- Information and multimedia resource for fans of Gene Wilder and his co-stars.
- Internet Broadway Database
- Internet Off-Broadway Database
- LucyWho.com - Trivia, Quotes, Trailers, Posters, Photos
- Mediabistro.com - Article [Richard Horgan] (June 11, 2013)
- Monsters and Critics
- NNDB - Profile
- TV and Movie Trivia Tribute
- The Actors Compendium
- Virtual History
- Who's Dated Who?