Guest Stars Sean Gilder as Styles Paul Copley as Matthews Ian McElhinney as Captain Hammond Philip Glenister as Hobbs David Rintoul as Dr. Clive Nicholas Jones as Lieutenant Buckland Paul Brightwell as Sergeant Whiting Terence Corrigan as Wellard Gilly Gilchrist as Randall Paul McGann as Lieutenant Bush Hugh Quarshie as Lefanu Richard Clews as Clerk Antonio Gil-Martinez as Ortega John Castle as Captain Collins Katia Caballero as Senora Ortega