* Vanessa Redgrave as Penelope "Nell" Pinchon
* James Wilby as Dr. Charles "Charlie" Pinchon
* Bronson Pinchot as Martin "Marty" Pinchon
* Gwen Watford as Dr. Helen Pinchon
* Tom Wilkinson as Joe "Joe" Pinchon
* Judy Parfitt as Dr. Katherine "Kate" Pinchon
* Jane Asher as Anne "Annie" Pinchon
* Peter Egan as George "Georgie" Pinchon
It's important to note that this film is a miniseries rather than a single movie. It aired in four parts on British television.