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Star Trek star George Takei on film about his life

29 July 2014 Last updated at 12:53 BST

Star Trek star George Takei has been talking about being his childhood experience of living in an internment camp during World War Two.

The actor and his family were among thousands of Japanese-Americans who were sent to relocation camps after the attack on Pearl Harbor.

It is one of the topics covered in a new documentary film about his life called To Be Takei.