Movies of Billy Armstrong and William J. O'Brien together
Billy Armstrong and William J. O'Brien have starred in 1 movie together. Their first film was Saturday's Hero in 1951..
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1951
![Saturday's Hero](http://image.tmdb.org/t/p/w185/k1Ch70aN7OilDGfFRCeIXu9QrXU.jpg)
Saturday's Hero
Saturday's Hero
Billy Armstrong
Starred as Football Player
William J. O'Brien
Starred as Waiter at Party
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