Professor Norman Wedgwood (7 Episodes)

Dr O'Connell (7 Episodes)

Conway Henderson (7 Episodes)

Geoffrey Wedgwood (7 Episodes)

Valerie Wedgwood (7 Episodes)

Jimmy Wedgwood (7 Episodes)

Professor Mary Meadows (7 Episodes)

Jean Cary (7 Episodes)

Ian Murray (7 Episodes)

John Field (7 Episodes)

Michael Kennedy (7 Episodes)