Guest Stars Len Cariou as Michael Hagarty Jenny Agutter as Margo Claymore Eric Braeden as Col. Gerhardt Brunner John Glover as Franz Mueller Bernard Fox as Andrew Wyckham Julian Barnes as British Sergeant Maria Mayenzet as Greta Mueller Tony Bonner as First Secretary Henry Claymore Michael Anderson Jr. as Dr. Lynch Warwick Sims as Jack Kendall