Her mother worked as a speech therapist for the Pasadena school system, while the children started their acting careers.

[10] Tom took on a dramatic recurring role, playing troubled teen Sue Scanlon on Beverly Hills, 90210.

[18] She played a teen seduced by an older man (Gary Cole) in For My Daughter's Honor (also titled Indecent Seduction) in 1996.

[20] On stage, she starred as Daisy in a production of Biloxi Blues in 1996, alternating playing the role with her sister, Heather Tom.

[24] Tom voiced the role of Kara Kent / Supergirl for the Justice League: Alien Invasion 3D dark ride at Warner Bros. Movie World in Australia as well as the seven Justice League: Battle for Metropolis dark rides across Six Flags theme parks in the United States and Mexico.

[26] She starred in the Fox Family Channel movie Ice Angel, playing Sarah Bryan, a female figure skater who has been reincarnated from a macho male hockey player.

[31] In 2004, Tom played the title role in the CBS movie The Book of Ruth, co-starring with Christine Lahti.

[34] Tom played Carla Hodgkiss in the horror film The Strange Case of Dr. Jekyll and Mr.

[35] On television, Tom made guest appearances from 2007-2009 on Burn Notice, Criminal Minds, Cold Case, The Mentalist, Without a Trace, and Mental.

[2] From 2006 to 2007, she had a regular role as Tara Wentzel on the IFC original series The Minor Accomplishments of Jackie Woodman.

[43] She co-starred with her sister Heather Tom and Sonia Satra in a national tour of the Off Broadway play Vanities.

[8][24][45] She starred as Heather Pearson in the 2016 thriller film I Didn't Kill My Sister (also titled Murder Unresolved).

[47] She guest starred with her sister, Heather Tom, on an episode of the comedy series Hollywood Darlings, playing exaggerated versions of themselves.

[49] She competed on the twenty-fourth season of Worst Cooks in America, the show's seventh celebrity edition titled That's So 90s, airing April-May 2022.