Gregory Itzin
- Greg Itzin Fan Site - Dedicated to character actor Gregory Itzin. Features film and theatrical credits, photos, and more.
- IMDb: Gregory Itzin - Biography, photos, and list of television and film credits for actor Gregory Itzin, best known for his role on 24.
- Rotten Tomatoes: Gregory Itzin - Offers links to reviews of actor Gregory Itzin's films.
- TV.com: Gregory Itzin - Biography, photos, and list of television appearances by actor Gregory Itzin.
- Wikipedia: Gregory Itzin - User-created biography for Tony Award-nominated actor Gregory Itzin, known for his appearances on such TV series such as Friends, Navy NCIS, Judging Amy, Boston Legal, CSI: Crime Scene Investigation, and for his role as President Charles Logan on 24.