Born: October 16, 1975
Birthplace: Riverside, California, U.S.
Kellie Noelle Martin (born October 16, 1975) is an American television actress. She is known for her roles as Rebecca "Becca" Thatcher in Life Goes On (1989-1993), Christy Huddleston in Christy (1994-1995), Lucy Knight on ER (1998-2000), Samantha Kinsey in Mystery Woman (2003-2007), and as Hailey Dean in the Hailey Dean Mystery series (2016-present).Martin was born in Riverside, California, U.S., the daughter of Debbie (Jett), a kindergarten teacher, and Doug Martin, a department store buyer and retail executive.
She began her acting career at age seven, when her aunt, who was a nanny for actor Michael Landon's children, helped her land a guest spot on the Landon- produced series Father Murphy. At the age of eleven, she was a contestant during Young People's Week on Card Sharks.
Martin had a recurring role on season three of Valerie's Family: The Hogans (1987-88). She also contributed the voice of Daphne Blake on the animated series A Pup Named Scooby-Doo in 1988-91. In 1989, Martin began the role of Rebecca "Becca" Thacher on the family drama Life Goes On, which ran on ABC for four seasons. She also played the role of Emily in 1989's Troop Beverly Hills, starring Shelley Long.
From 1991 to 1995, Martin supplied the voice of Molly Tasmanian Devil on Taz-Mania. In 1993, she played Sherry in Matinee, and made a guest appearance as Cleo Walker on an episode of seaQuest DSV, titled "Brothers and Sisters".
In 1994, she starred on her own series, Christy. In 1994, she starred on the Lifetime movie A Friend to Die For. In 1995, she starred on The Face on the Milk Carton, a TV film based on the book by Caroline Cooney about a teenager who finds out she was kidnapped from her real family 13 years prior and had been raised by the parents of her kidnapper. She was in A Goofy Movie as the voice of Roxanne, Max's love interest.
In 1996, Martin starred as deaf abuse-victim Laura Keyes on Lifetime's TV movie After the Silence (or Breaking Through). She starred in a made for TV movie Hidden in Silence (Lifetime Television). From 1998-2000, Martin appeared on the medical drama ER as medical student Lucy Knight. Martin was still going to Yale at the time and postponed her education so that she could join the cast.
In 2003, Martin starred in Mystery Woman, a Hallmark Channel movie about the owner of a mystery bookshop who solves actual crimes. From 2005 to 2007, she made ten more Mystery Woman movies for Hallmark, two of which she directed. Also in 2003, Martin had a supporting role on the comedic film Malibu's Most Wanted.
In 2006, Martin starred in the Lifetime movie Live Once, Die Twice, followed by No Brother of Mine in 2007. Also in 2007, Martin provided the voice for the adult-version of Barbara Gordon on "Artifacts", an episode of The Batman.
In 2009, Martin was a guest on Grey's Anatomy, episode "No Good at Saying Sorry." She also guest starred in the Ghost Whisperer episode "Stage Fright" as Cally O'Keefe. More recently, she has guest starred on the Private Practice episode "The Way We Were".
In 2012, Martin played Army Captain Nicole Galassini on the Lifetime Network television series Army Wives.
In 2016, Martin began starring in a new Hallmark Movies & Mysteries Channel show Hailey Dean Mystery as the protagonist Hailey Dean who is a former prosecutor turned therapist and solves mysteries. The Hailey Dean Mysteries are based on characters from Nancy Grace's New York Times best-selling series of Hailey Dean mystery books.
In 2017, Martin played police officer Kimberly Leahy in seven episodes of the TBS comedy series The Guest Book.
Martin graduated from Yale University in 2001 with a degree in art history. She was a member of Saybrook College. She married Keith Christian on May 15, 1999 in his hometown of Polson, Montana. They have two daughters. 
Martin owns and operates her own toy store ROMPstore.com and has authored a novel, Madam: A Novel of New Orleans from Plume.
|1982||Father Murphy||Flossie||Episode: "Sweet Sixteen"|
|1984||Highway to Heaven||Lisa Ratchett||Episode: "Another Song for Christmas"|
|1985||The Canterville Ghost||Unknown||Movie|
|1986||Wonderful World of Disney||Linda / Veronica||"Help Wanted: Kids", "The Richest Cat in the World"|
|Dallas||Brenda Crane||Episode: "J.R. Rising"|
|Life With Lucy||Patty||2 episodes|
|Potato Head Kids||Lolly||Voice role|
|1987-88||My Two Dads||Rebecca||2 episodes|
|The Hogan Family||Tracy Nash||5 episodes|
|1988||thirtysomething||Robin Kramer||2 episodes|
|The Tracey Ullman Show||Kari||Episode: "2.21"|
|Fantastic Max||Additional voices||3 episodes|
|ABC Weekend Specials||Karen||Episode: "Runaway Ralph"|
|Superman||Unknown||Episode: "The Birthday Party"|
|Secret Witness||Jennie Thomas||movie|
|1988-91||A Pup Named Scooby-Doo||Daphne Blake||27 episodes|
|1989||Charles in Charge||Heather Curtis||Episode: "Adam See, Adam Do"|
|Mr. Belvedere||Miriam||Episode: "The Election"|
|Baywatch||Chelsea Carroll||Episode: "Panic at Malibu Pier"|
|1989-93||Life Goes On||Rebecca 'Becca' Thacher||Main role (83 episodes)|
|1991-95||Taz-Mania||Molly Tazmanian Devil||22 episodes|
|1993||SeaQuest DSV||Cleo Walker||Episode: "Brothers and Sisters"|
|ABC Afterschool Specials||Samantha Wheeler||Episode: "Montana Crossroads"|
|Christy||Christy Huddleston||CBS movie|
|A Friend to Die For||Angela Delvecchio||NBC movie|
|1994-95||Christy||Christy Huddleston||20 episodes|
|1995||If Someone Had Known||Katie Liner||NBC movie|
|The Face on the Milk Carton||Jennifer Sands / Janie Jessmon||CBS movie|
|Her Hidden Truth||Billie Calhoun||NBC movie|
|1996||Hidden in Silence||Fusia Podgorska||Lifetime movie|
|Her Last Chance||Alex Saxen||NBC movie|
|Breaking Through||Laura Keyes||ABC movie|
|1997||On the Edge of Innocence||Zoe Taylor||NBC movie|
|Crisis Center||Kathy Goodman||6 episodes|
|1998||About Sarah||Mary Beth McCaffrey||CBS movie|
|1998-2000||ER||Lucy Knight||Main role (36 episodes)|
|The Powerpuff Girls||Additional Voices||16 episodes|
|2001||Man in the Kitchen||Unknown||ABC movie|
|2002||Fiona||Det. Fiona Fitzgerald||Movie|
|2003||Mystery Woman||Samantha Kinsey||Hallmark movie|
|Law & Order: Special Victims Unit||Melinda Granville||Episode: "Tragedy"|
|2005||Mystery Woman: Mystery Weekend||Samantha Kinsey||Hallmark movie|
|Mystery Woman: Snapshot||Samantha Kinsey||Hallmark movie|
|Mystery Woman: Sing Me a Murder||Samantha Kinsey||Hallmark movie|
|Mystery Woman: Vision of a Murder||Samantha Kinsey||Hallmark movie|
|Mystery Woman: Game Time||Samantha Kinsey||Hallmark movie|
|2006||Mystery Woman: At First Sight||Samantha Kinsey||Hallmark movie|
|Live Once, Die Twice||Nicole Lauker||Movie|
|Mystery Woman: Wild West Mystery||Samantha Kinsey||Hallmark movie|
|Mystery Woman: Oh Baby||Samantha Kinsey||Hallmark movie|
|Mystery Woman: Redemption||Samantha Kinsey||Hallmark movie|
|2007||The Batman||Barbara Gordon / Oracle (voice)||Episode: "Artifacts"|
|Mystery Woman: In the Shadows||Samantha Kinsey||Hallmark movie|
|No Brother of Mine||Nina St. Clair||Hallmark movie|
|2009||Ghost Whisperer||Cally O'Keefe||Episode: "Stage Fright"|
|Grey's Anatomy||Julie Zelman||Episode: "No Good at Saying Sorry"|
|Private Practice||Michelle Larsen||Episode: "The Way We Were"|
|2010||Drop Dead Diva||Joan Feiner||Episode: "Senti-Mental Journey"|
|The Jensen Project||Claire Thompson||NBC movie|
|2011||Smooch||Gwen Cole||Hallmark movie|
|2012||Army Wives||Army Captain Nicole Galassini||8 episodes|
|I Married Who?||Jordan Grady||Hallmark movie|
|2013||The Christmas Ornament||Kathy||Hallmark movie|
|Mad Men||Carolyn Glaspie||Episode: "Waterloo"|
|Satisfaction||Jennifer||Episode: "...Through Self Discovery"|
|2015||So You Said Yes||Annabelle Blanche||Hallmark movie|
|Hello, It's Me||Annie||Hallmark movie|
|2016||Hailey Dean Mystery: Murder, With Love||Hailey Dean||Hallmark Movies & Mysteries movie|
|2017||Hailey Dean Mystery: Deadly Estate||Hailey Dean||Hallmark Movies & Mysteries movie|
|Hailey Dean Mystery: Dating Is Murder||Hailey Dean||Hallmark Movies & Mysteries movie|
|The Guest Book||Officer Kimberly Leahy||Main role|
|1986||Jumpin' Jack Flash||Kristi Carlson|
|Body Slam||Missy Roberts|
|1988||Doin' Time on Planet Earth||Sheila|
|1989||Troop Beverly Hills||Emily Coleman|
|The Flamingo Kid||Lauren Brody||Short film|
|1995||A Goofy Movie||Roxanne||Voice role|
|2001||All You Need||Beth Sabistan Starnes|
|2003||Malibu's Most Wanted||Jen|
|2004||Open House||Debbie Delaney|
|Mickey's Twice Upon a Christmas||Mona/Additional Voices||Voice role|
|2005||Thru the Moebius Strip||Allana||Voice role|
|1990||Young Artist Awards||Best Young Actress Starring in a Television Series||Life Goes On||Won|
|1991||Young Artist Awards||Best Young Actress Starring in a Television Series||Life Goes On||Won|
|1992||Young Artist Awards||Best Young Actress Starring in a Television Series||Life Goes On||Nominated|
|Viewers for Quality Television||Best Supporting Actress in a Quality Drama Series||Life Goes On||Won|
|1993||Emmy Awards||Outstanding Supporting Actress in a Drama Series||Life Goes On||Nominated|
|1999||Screen Actors Guild||Outstanding Performance by an Ensemble in a Drama Series||ER||Won|
|2000||Screen Actors Guild||Outstanding Performance by an Ensemble in a Drama Series||ER||Nominated|
|Screen Actors Guild||Outstanding Performance by an Ensemble in a Drama Series||ER||Nominated|