![Billy Unger](http://image.tmdb.org/t/p/w92/5N2nYT62dQZOTPLMmqi0IFmv4tx.jpg)
![Heather Trzyna](http://i.imgur.com/5KSMtMH.jpg)
Movies of Billy Unger and Heather Trzyna together
Billy Unger and Heather Trzyna have starred in 1 movie together. Their first film was Sammy's avonturen: De geheime doorgang in 2010..
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2010
![Sammy's avonturen: De geheime doorgang](http://i.imgur.com/4UkcE9T.jpg)
Sammy's avonturen: De geheime doorgang
Sammy's avonturen: De geheime doorgang
Billy Unger
Starred as Hatchling Sammy
Heather Trzyna
Starred as Young Loggerhead Sally
Use the timeline above to view all the movies that Billy Unger and Heather Trzyna have starred in together. You can use the arrows or the arrow keys on your keyboard to slide from left-to-right along the timeline. If you have a touch device, you can slide left-to-right as well.
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