
Acting
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Denise Nicholas (born Donna Denise Nicholas; July 12, 1944) is an American actress and social activist who was involved in the American Civil Rights Movement. She is known primarily for her role as high school guidance counselor Liz McIntyre on the ABC comedy-drama series Room 222, and for her role as Councilwoman Harriet DeLong on the NBC/CBS drama series In the Heat of the Night.
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Black Art: In the Absence of Light
as Self

Ritual
as Sylvia Becker

The Rockford Files: Shoot-Out at the Golden Pagoda
as Leddy Hutch

In the Heat of the Night: By Duty Bound
as Harriet DeLong Gillespie

In the Heat of the Night: A Matter of Justice
as Harriet DeLong Gillespie

In the Heat of the Night: Give Me Your Life
as Harriet DeLong Gillespie

In the Heat of the Night: Who Was Geli Bendl?
as Harriet DeLong Gillespie

Color Adjustment
as Self

Ghost Dad
as Joan

On Thin Ice: The Tai Babilonia Story
as Cleo Babilonia

My Wife and Kids
as Ann Kyle · 1 ep.

The Parent 'Hood
1 ep.

Hangin' with Mr. Cooper
as Mrs. Walker · 1 ep.

In the Heat of the Night
as Harriet DeLong · 116 ep.

Supercarrier
2 ep.

A Different World
as Carol Garrison · 1 ep.

Amen
1 ep.

The Cosby Show
as Lorraine · 1 ep.

Masquerade
as Sheila Walters · 1 ep.

The Sophisticated Gents
as Pat Henderson · 3 ep.