Guest Stars Eugene Byrd as Dr. Clark Edison Sean Blakemore as Grayson Barasa Indira Varma as Inspector Cate Pritchard Michael Brandon as Roger Frampton Ed Coleman as Cyril Bibby Tuppence Middleton as Vera Waterhouse David Yelland as Gerard Bonham Andrew Buchan as Dr. Ian Wexler Jane How as Anne Bonham Sheila Reid as Paige Bonham Ty Glaser as Heather Miller Ben Righton as Harry Bonham Co Starring Simon Dutton as William Curry Nick Ellsworth as Jamison
