No, although the actress playing the part does resemble Sally Field, the actress' name is Natalie Hendrix.
* Steel Magnolias
Sybil, that is an easy one
Sally Field has not officially said she is a lesbian. She is an advocate for women's rights.
No, that was Cindy Williams. They do look a lot alike.
"Sybil" (1976). Made for television. 198 minutes. Stars Sally Field, Joanne Woodward, Brad Davis.