![Gregory Sierra](http://image.tmdb.org/t/p/w92/lbF2GRIs3juRAzfevwsUOq5PzFF.jpg)
![Kathryn Janssen](http://i.imgur.com/5KSMtMH.jpg)
Movies of Gregory Sierra and Kathryn Janssen together
Gregory Sierra and Kathryn Janssen have starred in 1 movie together. Their first film was The Towering Inferno in 1974..
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1974
![The Towering Inferno](http://image.tmdb.org/t/p/w185/xptiiMfqzHnfax4De5r8uOD94Ue.jpg)
The Towering Inferno
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