![William Collier Sr.](http://image.tmdb.org/t/p/w92/bHO2VXLbXNfESCJXEGWsorhLSRz.jpg)
![Pietro Sosso](http://i.imgur.com/5KSMtMH.jpg)
Movies of William Collier Sr. and Pietro Sosso together
William Collier Sr. and Pietro Sosso have starred in 1 movie together. Their first film was Stepping Sisters in 1932..
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1932
![Stepping Sisters](http://i.imgur.com/4UkcE9T.jpg)
Stepping Sisters
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