Diane Roter is an American actress best known for her appearances in the long-running TV Western The Virginian in its fourth season, which ran from 1965 to 1966.
She won the Bronze Wrangler award from the National Cowboy & Western Heritage Museum in 1966 for her acting in the episode titled "The Horse Fighter".
On The Virginian these fourth-season episodes were the ones in which she had a significant role: After her appearances in television, she trained with Marcel Marceau in Paris and performed as a mime at the Mark Taper Forum.
She taught algebra to adults at Los Angeles Valley College and earned a bachelor of arts in biopsychology from UCLA, and was honored with a research training award.
She attended a third 50th-anniversary celebration with Drury, Clarke, Jones, Roberta Shore, Boone, Clu Gulager, Sara Lane, and Quine in Los Angeles, at the Autry National Center and Museum on September 22, 2012.
She appeared as a guest star at the Roy Rogers Festival in Portsmouth, Ohio, on July 31, 2013, with fellow Virginian cast member Don Quine and actress and singer Lainie Kazan.
She attended as a guest star, the Cowboy Up for Vets Horse Show with fellow Virginian cast members Drury, Shore, Clarke, Boone, Gulager, Lane, and Quine.
She attended as guest star, the largest cast reunion of The Virginian assembled at the Cowboy Up for Vets Horse Show held on April 22–24, 2016, in Swanton.
Other cast members who attended were Drury, Shore, Clarke, Jones, Boone, Gulager, Lane, Quine, and Joe Cannon.