Jayne was crowned Miss Ohio 1970 (she was the first African American woman to win the title), and was one of the 10 semi-finalists in the 1970 Miss USA pagent. It was rare for a African American woman at that time to be in the contest. While starting her modeling career, she meet Leon Issac Kennedy, who was a DJ and a struggling actor/writer. They fell in love and married in the 1970. Motown's Smokey Robinson served as best man at the wedding. They moved to California to pursue careers in acting. During the 1970's she had over 10 notable TV guest appearances, and roles in seven movies. In 1978 she was one of the first women to infiltrate the male-dominated world of sports announcing with a role on The NFL Today.

In the early 1980's she produced exercise videos; however she was later was diagnosed with Endometriosis. She and Kennedy were divorced in 1982; she married actor Bill Overton in 1985. In spite of the prior problem with endometriosis, they have three daughters, Savannah Re (b., Nov. 20, 1985), Kopper Joi (b., May 17, 1989), and Zaire Ollyea (b., Sept. 15, 1995).

She has graced the cover of Ebony and Jet magazines numerous of times. In July 1981 she became the first African American actress to grace the cover of Playboy magazine.

  Night Trap (1993) .... Face in the Fire
... aka Mardi Gras for the Devil

"227"
- Washington Affair (1986) TV Episode .... Betty Murphy
"Benson"
- Three on a Mismatch (1986) TV Episode .... Elizabeth
- Let's Get Physical (1984) TV Episode .... Elizabeth
"Diff'rent Strokes"
- The Moonlighter (1983) TV Episode .... Mrs. Jenkins
"The Love Boat"
- Zinging Valentine/The Very Temporary Secretary/The Final Score (1983) TV Episode .... Kate
- Model Marriage, A/This Year's Model/Original Sin/Vogue Rogue/Too Clothes for Comfort: Part 1 (1981) TV Episode .... Ms. Farrell
- Model Marriage, A/This Year's Model/Original Sin/Vogue Rogue/Too Clothes for Comfort: Part 2 (1981) TV Episode .... Ms. Farrell
"CHiPs"
... aka CHiPs Patrol (USA: syndication title)
- Mitchell & Woods (1981) TV Episode .... Paula Woods
- Kidnap (1980) TV Episode .... Pat Blake
Body and Soul (1981) .... Julie Winters
Ms. 45 (1981) .... Seamstress
... aka Angel of Vengeance
... aka Rape Squad (Australia: video box title)

Mysterious Island of Beautiful Women (1979) (TV) .... Chocolate
... aka Island of Saint Theresa (USA)
"Trapper John, M.D."
- Deadly Exposure (1979) TV Episode .... Linda
Death Force (1978)
... aka Fierce
... aka Fighting Mad
"Police Woman"
- The Inside Connection (1977) TV Episode .... Cora
"Wonder Woman"
... aka The New Adventures of Wonder Woman (USA: new title)
... aka The New Original Wonder Woman (USA: first episodes title)
- Knockout (1977) TV Episode .... Carolyn
"Police Story"
- Pressure Point (1977) TV Episode
Big Time (1977) .... Shana
Cover Girls (1977) (TV) .... Monique Lawrence
The Muthers (1976) .... Serena
"Starsky and Hutch"
- The Las Vegas Strangler (1976) TV Episode .... Gretchen
"The Rockford Files"
... aka Jim Rockford, Private Investigator (USA: syndication title)
- Foul on the First Play (1976) TV Episode .... Janice
Let's Do It Again (1975) .... Girl at Factory
"The Six Million Dollar Man"
- The Song and Dance Spy (1975) TV Episode .... Louise
"That's My Mama"
- The Hero (1975) TV Episode .... Girl #3
"Sanford and Son"
- There'll Be Some Changes Made (1974) TV Episode .... Brenda
"Banacek"
- Rocket to Oblivion (1974) TV Episode .... Girl Demonstrator
"Kojak"
- Die Before They Wake (1974) TV Episode .... Tour Guide
"Shaft"
- The Kidnapping (1973) TV Episode .... Debbie
Group Marriage (1973)
Lady Sings the Blues (1972) (uncredited) .... Louis's date