World War II is raging, and an American general has been captured and is being held hostage in the Schloss Adler, a Bavarian castle that's nearly impossible to breach. It's up to a group of skilled Allied soldiers to liberate the general before it's too late.

• Jerry Gershwin Productions
• Elliott Kastner Productions
• Richard Burton
• Clint Eastwood
• Mary Ure
• Patrick Wymark
• Michael Hordern
• Donald Houston
• Peter Barkworth
• William Squire