Rob Lowe's arrival on 'Brothers & Sisters' coincided with some of its highest ratings of the season (in America). The former 'West Wing' star will extend his role as a U.S. senator for the remainder of the season.

Baltahazar Getty (Tommy) plays keyboard in a band called Ringside.

Rachel Griffiths (Sarah) has an uncle who is a Jesuit priest. He officiated at her wedding.

Of her appeal, Rachel has been quoted as saying: "I'm sexy in a blue cheese kind of way - you either like it or you don't."

Patricia Wettig's (Holly) son, Clifford, also works on Brothers and Sisters, as a writer.

Calista Flockhart (Kitty) finished work on the set one day and headed to her car - only to find security guards banging on the windows. They told her an old man had gotten inside her car and fallen asleep. The 'old man' was Harrison Ford.

In February 2007, Sally and Jane Fonda made a pact together not to have plastic surgery and to age gracefully instead.

In 'Episode 8: Mistakes Were Made, Part 1', the password was the 1st letter of each of the children's names: SKTKJR (Sarah, Kevin, Tommy, Kitty, Justin and Rebecca), thus revealing that Rebecca is William's daughter.

Emily VanCamp, a Canadian actress whom some of you might recognise from 'Everwood', will play Rebecca Harper.

Sally Field (Nora) and Tom Skerritt have played husband and wife before. They played Julia Robert's character's parents in the 1989 movie, 'Steel Magnolias'.

This is Sally Field's first successful TV series in more than 35 years. She starred in The Flying Nun in 1970.

Along with Ron Rifkin, features other talent from 'Alias', including actors Balthazar Getty and Patricia Wettig, executive producer Ken Olin, and co-executive producer Sarah Caplan. Guest actor Joel Grey also previously appeared on Alias in the fourth season.