Strathairn attended Redwood High School in Larkspur , California , and graduated from Williams College in Williamstown , Massachusetts , in 1970 . Strathairn attended the Redwood High School in Larkspur , California , and graduated in 1970 from Williams College , Williamstown , Massachusetts . Strathairn visited Williams College in Williamstown , Massachusetts , and graduated in 1970 from the Redwood High School in Larkspur , California .