Carradine was born in Los Angeles the daughter of Susan Snyder, a horse trainer's assistant, and actor Robert Carradine. She has two half-siblings, Marika Reed Carradine and Ian Alexander Carradine. A number of other members of the Carradine family are also actors, including her grandfather John Carradine, and uncles Keith Carradine and David Carradine. She is also a cousin of Martha Plimpton.
