She is widely known for her roles as Cindy Lubbock on Just the Ten of Us (1988–1990), Peyton Richards on Savannah (1996–1997), Lexi Sterling on Melrose Place (1997–1999) and Rachel Burke on Profiler (1999–2000).

[4] Luner was heavily involved in the drama department during her high school career, and at age fifteen she won LA's Shakespeare Festival for the Individual Monologues category in 1988.

[7] During 1986–1987, she attended the PCS Professional Children's School, which was established for providing working youth in the entertainment business with a basic education and curriculum.

At age sixteen, the producers of Growing Pains asked her to audition for their new spin-off Just the Ten of Us, and upon being cast for the role, Luner returned to California.

Following three and a half decades worth of starring in films and television, in 2011 Luner went on to receive a master's degree in Spiritual Psychology at the University of Santa Monica.

[17] Following her roles in these series, she landed her first film lead in 1993 as Diana Moffitt in a television movie Moment of Truth: Why My Daughter?, starring opposite Linda Gray and Antonio Sabàto, Jr..[18] Luner continued with a succession of television films, most notably Confessions of a Sorority Girl (1994) which debuted on Showtime and was directed by Uli Edel and co-starred Alyssa Milano.

In 1994, Luner expanded her education and passion for cooking and joined the Epicurean School of Culinary Arts which taught classical French cuisine in Los Angeles, California.

[23] She joined the series as southern vixen Peyton Richards in the prime-time soap opera, Savannah (1996–1997), which was the signature show on the newly launched WB Television Network.

[24][25] Luner starred alongside other notable actors such as Robyn Lively, Shannon Sturges, George Eads, Ray Wise, and Mimi Kennedy.

[26] Luner had moved to Atlanta, Georgia during the filming of this series, and once it concluded, bought an airstream and traveled the United States for eight months before landing on a lot in Malibu.

[27] It was not long before Spelling then invited her to play Lexi Sterling on the iconic television series Melrose Place (1997–1999), for which Luner's performance gained global recognition.

[28] During these final two and a half seasons, the show followed her rivalry with Amanda Woodward played by Heather Locklear, ultimately portraying Luner's character as the alpha female.

[30][31] She played the role as Rachel Burke alongside Robert Davi, Roma Maffia, and Julian McMahon until the show came to a close at the end of its fourth season in 2000.

[35] Between 2003 and 2004, Luner was cast as a series regular in another Spelling drama to play the role as Senior Deputy Ryan Layne in 10-8: Officers on Duty with Ernie Hudson and Danny Nucci.

[45]The following year, she had a comedic appearance on Two and a Half Men (2014) with Jon Cryer and Ashton Kutcher, and also guest-starred in the fantasy horror drama True Blood (2014).

[63] In 2009, Luner was invited to attend the talk show The View, and was interviewed about her roles on Melrose Place and All my Children by the hosts including Joy Behar and Sherri Shephard, Whoopi Goldberg.