who plays sarah walker in brothers and sisters
Sarah Walker (Brothers & Sisters) Sarah Louise Walker Laurent (formerly Whedon) is a fictional character on the ABC television drama Brothers & Sisters. She is portrayed by actress Rachel Griffiths.
Grace Zabriskie Zabriskie is perhaps most familiar for her television work. After a recurring role on the soap opera Santa Barbara, she played a major role on the David Lynch series Twin Peaks and its spin-off film, Twin Peaks: Fire Walk with Me as Sarah Palmer, the eerily psychic mother of the doomed Laura Palmer. Zabriskie also appeared in Lynch's Wild at Heart â€” notably as the twin sister of a character played by Isabella Rossellini, an actress eleven years her junior. David Lynch later cast her as a sinister Polish neighbour in Inland Empire in 2006.