Acting From 1990 to 1993, Robertson starred as Tina Edison, the eldest of three children of Dr. Fred Edison (Joe Flaherty), on the Canadian sitcom
Maniac Mansion. This role earned her two nominations for
Young Artist Awards. She appeared in several small films and television shows, and did not debut on the big screen until her small role in the 1992 thriller film
Blown Away, opposite
Corey Haim and
Nicole Eggert. She also made her American debut in the 1992 made-for-television movie,
Quiet Killer, co-starring
Kate Jackson. In 1994, Robertson was cast in the series regular role of
Clare Arnold in the
Fox teen drama
Beverly Hills, 90210. She starred in the show from 1994 to 1997, during seasons four to seven. In 1997, her then-boyfriend, director
Gregg Araki cast her as Lucifer, one of a group of bored, alienated, and very horny Los Angeles teens in the black comedy drama film
Nowhere. She later had a role in his next film, called
Splendor (1999). She later appeared in a number of independent films, and had guest-starring roles on
Law & Order: Criminal Intent,
Medium,
CSI: Miami, and
Rookie Blue. In 2006, she appeared in
Hollywoodland opposite
Adrien Brody. From 2006 to 2007, she Executive Produced and had the leading role in the IFC comedy series,
The Business. In 2007, she starred in the EMMY winning
Syfy miniseries
Tin Man as the primary antagonist of the story. The series was cancelled after two seasons in late 2012. Robertson also starred in a number of made-for-television movies in recent years, primarily for
Lifetime network, including
Last Exit (2006), and
Time of Death (2013). In 2013, Robertson portrayed the wife of hockey legend
Gordie Howe in the made-for-television movie,
Mr. Hockey: The Gordie Howe Story. She plays the role of Hildy Mulligan, a homicide detective and single mother. In the same year she starred in the thriller film
The Vatican Tapes that was released on February 27, 2015, and was cast in recurring role as Jodi Morgan for the second season of
A&E drama series
Bates Motel. In 2015, Robertson had the leading role alongside
Eric Dane in the four-hour miniseries
The Fixer. In 2018, Robertson was cast in the Canadian Broadcasting Corporation and Netflix co-production drama series
Northern Rescue. It was released on Netflix and CBC GEM on March 1, 2019. In 2021, Robertson had a pivotal role in the final season of
The Expanse as the right hand of Marcos Inaros.
Writing In 2010s, Robertson added producing and screenwriting to her resume. In 2015, Robertson completed the
Writers Guild's Showrunners Training Program, where she was mentored by former WGA West president
John Wells. In 2017 she began adapting
The Possibilities,
Kaui Hart Hemmings' follow up novel to
The Descendants about a grieving Colorado mother whose son was killed in a skiing avalanche and then starts a friendship with a mysterious young girl. She is writing a feature drama film based on
Chris Cleave's novel,
Little Bee starring
Julia Roberts. In 2017, she began developing
Swimming with Sharks, a series based on the
1994 Hollywood satire film. The series was set to debut in 2020 on the former
Quibi platform. The series was later picked up by
The Roku Channel and premiered at South by Southwest in March 2022. She also created comedy-drama pilot
Your Time Is Up for
Lifetime with
Christina Applegate attached to star. As of 2022 Robertson was writing a film for Paramount and
Akiva Goldsman for director
Johannes Roberts. She also sold a new series to CBC called APRES SKI as well as a show to Lionsgate with Academy Award nominated doc filmmaker Joe Berlinger attached to direct. == Personal life ==