John Mahoney
- Center Stage: John Mahoney - Biography of the actor John Mahoney, best known for his role as Martin Crane on the TV show, Frasier. Features information on his more recent roles on the stage in Chicago.
- IMDb: John Mahoney - Filmography for the actor who plays Frasier's father, Martin Crane.
- John Mahoney (Martin Crane) - Provides details about John Mahoney, the actor famous for his role as Frasier's father, Martin Crane.
- TV.com: John Mahoney - Features a biography of the actor John Mahoney, with photos, list of television appearances, and other film credits.
- Wikipedia: John Mahoney - Provides a hyperlinked profile of the actor John Mahoney, the British-born actor whose TV credits include the role Martin Crane on Frasier and Lt. Roselli on Chicago Story.