She first played a leading role in the syndicated parody comedy series My Talk Show (1990–91), before starring in a number of sitcoms, including Bob (CBS, 1992–93), Hope & Gloria (NBC, 1995–96), and Oh Baby (Lifetime, 1998–2000).
She later starred in the made-for-television movies A Father's Homecoming and Double Your Pleasure, and played a leading role alongside Suzie Plakson in the 1989 pilot for Married to the Mob.
[8][9] She later had roles in a number of comedy films, including Watch It (1993), Forget Paris (1995), Home for the Holidays (1995), Live Nude Girls (1995), Happiness (1998), Air Bud: Golden Receiver (1998) and its sequels.
Later that year, Stevenson began starring as a single working woman who decides to have a child through artificial insemination in the Lifetime comedy series, Oh Baby.
Stevenson appeared in Shonda Rhimes dramas Grey's Anatomy in 2010, Off the Map and Private Practice in 2011, Scandal in 2013, and from 2018 to 2020 played Pam Walsh, Connor's mother on How to Get Away with Murder.
[12][13] In 2014, she played villainous housekeeper in the Lifetime television film Killing Daddy and in 2015, starred alongside Ed Begley Jr. in the TBS comedy series Your Family or Mine.
[14] Stevenson married director Tom Davies in 1992; the couple met in 1991, on the set of The Gun in Betty Lou's Handbag, when she filmed a brief uncredited appearance.