Barnes' initial appearance on television was in the episode "The Man Who Beat Lupo" on Ford Theatre. She made guest appearances on many television series, including the ABC/Warner Bros. programs 77 Sunset Strip and Maverick, CBS's Have Gun - Will Travel, What's My Line, and the crime drama Richard Diamond, Private Detective. In 1960-61, she guest-starred on The Untouchables episode "90 Proof Dame" as the wife of a French exporter of brandy. Barnes appeared as Kate Henniger, with Bing Russell and Arthur Space in the 1958 episode "Ghost Town" of the ABC/WB Western series Colt .45, starring Wayde Preston. In 1959, she portrayed Lola in the NBC detective series 21 Beacon Street. In the 1960s, Barnes worked for producer Martin Ransohoff and appeared in episodes of his The Beverly Hillbillies ("Elly Goes to School" and "The Clampett Look") and was billed as special guest-star. Barnes played Peter Falk's former wife on the 1965–1966 CBS series The Trials of O'Brien and was host of the ABC...
The Parent Trap
1998
Spartacus
1960
The War Wagon
1967
The Parent Trap
1961
Auntie Mame
1958
Goodbye Charlie
1964
I Wonder Who's Killing Her Now?
1975
The Garment Jungle
1957
Don't Make Waves
1967
B.S. I Love You
1971
Too Many Thieves
1966
Farewell to the Planet of the Apes
1980
Home Before Dark
1958
Violent Road
1958
No Time to Be Young
1957
Mackendrick: The Man Who Walked Away
1986
Secrets of a Mother and Daughter
1983
Tarzan, the Ape Man
1959
The Purple Hills
1961
Philbert (Three's a Crowd)
1963
A Down Home Country Christmas
1987