He began his professional acting career in 1950 at Washington's Arena Stage, appearing in some of its earliest productions, with his first leading role in Dark of the Moon.

He played Nick alongside Melinda Dillon as his wife Honey, a young couple visiting Uta Hagen and Arthur Hill as the warring spouses, Martha and George.

Beginning in 1963, Grizzard was a member of the original company of the Guthrie Theater in Minneapolis, which also included Jessica Tandy and Hume Cronyn.

[2] His film roles included the drama From the Terrace with Paul Newman (1960), the Western Comes a Horseman with Jane Fonda (1978), and a Neil Simon comedy, Seems Like Old Times (1980).

Additional Broadway credits include The Creation of the World and Other Business, The Glass Menagerie, The Country Girl, The Royal Family, and California Suite.

[1] Grizzard guest-starred several times during the 1990s on the NBC television drama Law & Order as defense attorney Arthur Gold.

He starred as reporter Richard Larsen in The Deliberate Stranger, a television movie about serial killer Ted Bundy.