Special Guest Stars Diana Hyland as Heidi Voss Guest Stars John van Dreelen as Colonel von Datz Eduard Franz as Adm. Siegfried von Kreuter Horst Ebersberg as Koch Co Starring Sasha Harden as Gestapo Officer Peter Markus as Doctor Jan Merlin as Major Paul Strasser Gilchrist Stuart as Count Klaus von Schullendorf Barry Russo as Col. Chris Gibbons Curt Lowens as Father Berthold Kretzer Robert Boon as Corporal Schmidt Walter Friedel as Ralls Ted Dudomaine as Gen. Erik Strohm Maria Schroeder as German Woman