Tony Britton Dr Toby Latimer Actor Nigel Havers Dr Tom Latimer Actor Dinah Sheridan Angela Latimer Actor Jane How Helen Kramer Actor Susan Skipper Madeleine Latimer Actor Richard Heffer Dr Charles Cartwright Actor Simon Williams Dr Charles Cartwright Actor Tricia George Susan Cartwright Actor Jane Booker Felicity Spicer-Gibbs Actor Timothy Bateson Mr Burton Actor Joan Ryan Lady Greshott Actor Harold Snoad Director, Producer George Layton Writer