[citation needed] Her first television role was on the TV series The Greatest American Hero, in which she appeared as Rhonda Blake, one of the students of main character Ralph Hinkley (William Katt).

Her best-known role came in 1983 as Juliet Parrish in the science fiction mini-series V, the 1984 sequel V: The Final Battle and V: The Series from 1984 to 1985.

She has also appeared on shows starring Stephen Collins: the TV series version of Tales of the Gold Monkey, and 7th Heaven.

In director Jerry Zaks' 1986 Lincoln Center-to-Broadway revival of John Guare's The House of Blue Leaves, Grant played the deaf Corinna Stroller, following Julie Hagerty and Patricia Clarkson in the role.

[citation needed] Grant has made guest appearances in TV shows like The Incredible Hulk, the Voyagers!