Martha strongly supports PETA.
Martha was nominated for the Young Artist Award 3 times in the mid-late 80's.
Martha dated the late actor River Phoenix.
Martha is the niece of Michael Bowen.
Martha is the cousin of actresses Ever Carradine, and Kansas Carradine.
Martha is the niece of David Carradine and Robert Carradine.
Martha is the granddaughter of actor John Carradine.
Martha was concieved when her parents were performing together in 'Hair'.
Martha is the daughter of Keith Carradine and Shelley Plimpton. Martha was 4 when she met her father for the first time.
Martha is 5'5" tall.
Martha is a member of The Steppenwolf Theatre Company Ensemble.
Martha: I realized as I got older that I could choose to be an actor to a certain extent, but movie stardom is not something you choose. It chooses you. You have very little control over that. So I stopped considering that as an option.