Born in Roanoke Rapids, North Carolina, Grizzard appeared in more than forty films and dozens of television programs.
Grizzard appeared in Advise and Consent in 1962, and guest-starred several times on the NBC television drama Law & Order as defense attorney Arthur Gold. He portrayed John Adams in the Emmy Award-winning WNET-produced PBS mini-series The Adams Chronicles.
Grizzard made his Broadway debut in The Desperate Hours in 1955. He has been a frequent interpreter of the plays of Edward Albee, having appeared in the original 1962 production of Who's Afraid of Virginia Woolf? as Nick, as well as the 1996 revival of A Delicate Balance and the 2005 revival of Seascape. He won the 1996 Tony Award for Best Actor in a Play for A Delicate Balance. Additional Broadway credits include The Creation of the World and Other Business, The Glass Menagerie, The Country Girl, The Royal Family, and California Suite.
In 2001, Grizzard played Judge Dan Haywood in the stage production of Judgement at Nuremberg opposite Maximilian Schell under the production of actor Tony Randall. Grizzard appeared as Big Daddy in Cat On A Hot Tin Roof at the Kennedy Center in 2004.
Grizzard died in Manhattan of complications from lung cancer. He is survived by his partner, William Tynan.
Robert Berkvist. "George Grizzard, Actor Noted for Albee Roles, Dies at 79", The New York Times, 3 October 2007. Retrieved on 2008-04-02.