Exclusive Clip from 'Transcendance': Stars Talk First-Time Director Wally Pfister

(From Warner Bros.)Long-time Christopher Nolan collaborator Wally Pfister was one of the most respected cinematographers in the business before he finally struck out on his own to direct Transcendence. He won an Oscar for his work on Inception and was nominated three times before that. Today, Transcendence was released on DVD and Blu-ray, and to mark the occasion, here's a brief look at one of the special features, which finds the movie's stars singing Pfister's praises.

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