Historical clue formulations

• She and Clark Gable were known as "the team that generates steam" — 2013-07-19
• Ezio Pinza's "Mr. Imperium" co-star — 2010-03-27
• "The Three Musketeers" actress, 1948 — 2005-09-17
• "Homecoming" star, 1948 — 1996-01-13