Lifespan is a 1976 Dutch thriller film directed by Alexander Whitelaw and starring Hiram Keller, Tina Aumont and Klaus Kinski.

[1] American Dr. Ben Land travels to Amsterdam to meet with Dr. Linden, an expert on aging who is supposedly close to a breakthrough.

Unfortunately, Dr. Linden is discovered hanged and Ben is left with only baffling clues.

Later, Ben discovers that Anna knows more than she should about the mysterious 'Swiss man', Nicholas Ulrich.

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