Guest Stars Anthony Calf as Deputy Assistant Commissioner Robert Strickland Susan Jameson as Esther Lane Dexter Fletcher as Tommy Jackson Kim Thomson as Tiffany Barker Claire Bloom as Helen Brownlow Will Kemp as James Strickland Dermot Crowley as Derek Bennett Kate Magowan as Catherine Austin Diana Weston as Jane Morley Gavin Millar as Theatre Director John Fortune as Mel Simons Nick Mason as Actor