Cynthia Ettinger's film credits include Thirteen, The Assistant, Frailty, Pay It Forward, Deep Impact, The Effects of Magic, The New Kid, The Silence of the Lambs, Desperate But Not Serious, Traveling Companion, The Effects of Magic, and The Voice of a Stranger.

On television, Ettinger has been seen on Carnivale, Law & Order: Special Victims Unit, Gilmore Girls, Curb Your Enthusiasm, Fail Safe, The Practice, Providence, Family Law, Felicity, ER, Strong Medicine, Touched by an Angel, Titus, Seinfeld, Michael Hayes, Cutty Whitman, Amazing Grace, Down, Out & Dangerous, Charlie Grace, and Sweet Justice.

Her theater credits include Four Roses, The Dressing Room, Hurlyburly, Carnage, The Big Show, Freaks, The Boys in the Back Room, Angel City, The Hand Behind the Face, and Gogol.