Kathleen Robertson Biography: Age, Husband, Children, Net Worth, Movies & TV Shows, Height

Kathleen E. Robertson, is a Canadian actress, writer, and producer celebrated for her breakout role as Clare Arnold on the Fox teen drama Beverly Hills, 90210 from 1994 to 1997, where she brought depth to the sharp-witted college student navigating love and ambition.

Her early start as Tina Edison in the sitcom Maniac Mansion (1990–1993) launched her into Hollywood, leading to versatile turns in series like Boss alongside Kelsey Grammer and Murder in the First as detective Hildy Mulligan.

Robertson’s evolution into producing with projects such as Swimming with Sharks (2022) underscores her multifaceted talent, blending on-screen charisma with behind-the-scenes vision in drama and comedy.

Profile

• Full Name: Kathleen E. Robertson
• Stage Name: Kathleen Robertson
• Born: 8 July 1973
• Age: 52 years old
• Birthplace: Hamilton, Ontario, Canada
• Nationality: Canadian
• Occupation: Actress, Writer, Producer
• Height: 1.63m
• Parents: Gary Robertson and Joyce Robertson
• Siblings: Rebecca Witter, Kelly Floriani
• Spouse: Chris Cowles (m. 2004)
• Children: William Robertson Cowles, Bennett Patrick Cowles
• Relationship: Married
• Net Worth: $3 million

Early Life and Education

Kathleen E. Robertson was born on July 8, 1973, in Hamilton, Ontario, Canada, to Gary Robertson and Joyce Robertson.

She grew up with two sisters, Rebecca Witter and Kelly Floriani, in a close-knit family that supported her creative leanings from a young age.

Starting acting classes at ten, she immersed herself in local theater productions, which fueled her passion for performance.

Robertson attended Sherwood Secondary School before transferring to the private Hillfield Strathallan College to balance her budding career with studies.

Her ethnicity is Caucasian, and her religious beliefs remain unknown.

Career

Kathleen Robertson began her career at age ten with acting classes and local theater in Hamilton, landing her first major role as Tina Edison on the Canadian sitcom Maniac Mansion from 1990 to 1993, where her portrayal of the quirky teen daughter earned two Young Artist Award nominations.

This early success led to small film parts, including a bit in the 1992 thriller Blown Away opposite Corey Haim, and guest spots on shows like The Torkelsons.

Her natural poise and emotional range quickly drew attention from U.S. casting directors, marking her transition from Canadian TV to international opportunities and building a foundation in character-driven comedy.

Robertson’s breakthrough arrived in 1994 with the role of Clare Arnold on Beverly Hills, 90210, where she starred through 1997, infusing the character with intelligence and vulnerability that resonated with teen audiences and earned her widespread recognition.

She followed with films like Nowhere (1997) directed by then-boyfriend Gregg Araki, Dog Park (1998) alongside Luke Wilson, and Scary Movie 2 (2001), showcasing her comedic timing in ensemble casts.

Guest roles on CSI: Miami and Medium in the mid-2000s diversified her resume, while her lead in the short-lived Girls Club (2002) highlighted her dramatic potential amid network shifts.

Kathleen Robertson commands lead roles in prestige series, including Kitty O’Neill on Boss (2011–2012) opposite Kelsey Grammer and Hildy Mulligan on Murder in the First (2014–2016), where her nuanced detective work garnered critical praise.

As a producer and writer, she created and starred in Swimming with Sharks (2022) on Roku Channel, adapting the Hollywood satire with fresh edge, and appeared as Rosenfeld in The Expanse (2021).

Her influence spans generations through authentic portrayals of complex women, mentoring emerging talents via her production company Debut Content and advocating for nuanced storytelling in television.

Social Media

• Instagram Handle: @kathleenrobertson
• Facebook Handle: Unknown
• Twitter Handle: Unknown

Personal Life

Kathleen Robertson married producer Chris Cowles on November 27, 2004, after dating since 2002; they met on the set of The Vatican Tapes and welcomed sons William Robertson Cowles in July 2008 and Bennett Patrick Cowles in October 2016.

She dated director Gregg Araki in the late 1990s.

Filmography

• Beverly Hills, 90210 (1994–1997)
• Nowhere (1997)
• Dog Park (1998)
• Splendor (1999)
• Scary Movie 2 (2001)
• Boss (2011–2012)
• Murder in the First (2014–2016)
• Swimming with Sharks (2022)

Net Worth

Kathleen Robertson has an estimated net worth of $3 million.

Her wealth primarily arises from starring roles in long-running series like Beverly Hills, 90210 and Murder in the First, which include episode fees and syndication residuals.

Producing and writing credits on Swimming with Sharks and guest appearances in procedurals such as CSI: Miami further contribute to her earnings as a seasoned television talent.