Shannon Tweed has appeared in over 60 films, including Detroit Rock City, produced by Gene Simmons in 1999. In 2006, Tweed authored an autobiography, Kiss and Tell, published by Phoenix Press.
Tweed has lived with Gene Simmons of Kiss since 1984. Their two children are Nicholas and Sophie. The family members star in a reality television show on A&E entitled Gene Simmons Family Jewels.
After the Canadian wish-fulfillment TV series Thrill of a Lifetime arranged for her to pose for Hugh Hefner's Playboy, she was chosen to be the Playmate of the Month for the November 1981 issue and eventually the Playmate of the Year for 1982. Since then, Tweed has primarily acted in TV series such as the HBO comedy 1st and Ten, the prime-time soap opera Falcon Crest and guest appearances on Frasier, Married With Children, Wings, Dukes of Hazzard, Baywatch, 21Jump Street, Dear John, Murder She Wrote, United States Of Tara among many others. In 1985, she landed a role on Days of our Lives as Savannah Wilder, remaining with the show until 1987.
Tweed was born in St. John's, Newfoundland and Labrador.