Movies of Tony Sibbald and Kathleen St. John together
Tony Sibbald and Kathleen St. John have starred in 1 movie together. Their first film was The Quatermass Conclusion in 1979..
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1979
![The Quatermass Conclusion](http://image.tmdb.org/t/p/w185/nj0vC2TjQ2a6a1pZ704fsPG6UZm.jpg)
The Quatermass Conclusion
The Quatermass Conclusion
Tony Sibbald
Starred as Chuck Marshall
Kathleen St. John
Starred as Winnie
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