Barbara Feldon

Barbara Feldon (born March 12, 1933) is an American character actress of stage who is primarily known for her roles on television. Her most prominent role was that of Agent 99 on the popular 1960s sitcom, Get Smart. She also worked as a model. Description above from the Wikipedia article Barbara Feldon, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Cast

No Deposit, No Return
Carolyn Osborne

Classic TV Bloopers Uncensored
Agent 99 (archive footage)

Fitzwilly
Juliet Nowell

Get Smart, Again!
Agent 99

Smile
Brenda
Here Comes the Judge
Singer

A Vacation in Hell
Evelyn

The Bear Who Slept Through Christmas
Patti Bear (voice)

What Are Best Friends For?
Valerie Norton

Getting Away from It All
Helen Clark

Playmates
Lois Barnett

Let's Switch!
Kate Fleming

The Last Request
Mom

Sooner or Later
Lois Walters

NBC 75th Anniversary Special
Self

Get Smart: A Man Called Smart
#99

Point Blank
Girl in TV Commercial (uncredited)

The Dean Martin Christmas Show
Self (uncredited)

Children of Divorce
Irene Hoffman

A Guide for the Married Woman
Maggie

Before and After
Penny

Lady Killer
Jenny Frifth
Energy Crisis
Self