Possible Clues:

• Long-distance runner Zatopek
• Jannings of "The Blue Angel"
• Jannings or Ludwig
• Jannings with an Oscar
• Napoleon biographer Ludwig
• Gilels or Jannings
• "The Last Command" Oscar-winner Jannings
• Oscar-winning actor Jannings
• Disney's '-- and the Detectives'
• Actor Jannings who won the first Best Actor Oscar