Amsterdam Affair is a 1968 British crime film directed by Gerry O'Hara and starring Wolfgang Kieling, William Marlowe, Catherine Schell and Pamela Ann Davy.

The plot is about Dutch policeman Van Der Valk, who investigates a novelist who is accused of murdering his mistress.

Gerry O'Hara was under contract to Sydney Box when signed to direct.

He said the producers tried to remove him from the film as a director, but could not as O'Hara had written the script and was not under contract as a writer.

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