Tower of the Firstborn
| Tower of the Firstborn (A.K.A. "The Sands of Time") | |
|---|---|
| Directed by | Alberto Negrin | 
| Written by | Alberto Negrin | 
| Story by | Luigi Montefiori | 
| Based on | La torre della solitudine by Valerio Massimo Manfredi | 
| Produced by | 
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| Starring | |
| Cinematography | Daniele Nannuzzi | 
| Edited by | Bryan Oates | 
| Music by | Ennio Morricone | 
| Production companies | 
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| Distributed by | |
| Release date | 
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| Running time | 180 minutes | 
| Countries | 
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| Language | English | 
Tower of the Firstborn (Italian: I Guardiani del Cielo) is a 2000 Italian-French adventure television film directed by Alberto Negrin and starring Ben Cross, Peter Weller, Bernard-Pierre Donnadieu, Marco Bonini, Ione Skye and Heino Ferch. It was based on the novel La torre della solitudine by Valerio Massimo Manfredi.