Guest Stars David McKail as Dr. Mackenzie Julia St. John as Dr. Amanda Chase Billy Riddoch as Hammond Sally Dexter as DS Maureen Lawson Stephen Wight as Ritchie Mason Amanda Root as Dolores Delmonte Nigel Betts as Reginald Muldane Adam Deacon as Darryl Stephens Ken Drury as Oscar Belmont Lucy Robinson as Antonia Knight David Cardy as Len Morrison Hazel Ellerby as Jay Burrows Rosie Thomson as Jenny Burrows Taryn Kay as Shelley Warner Simon Scott as Dr. Patrick Knight