Actor Wilmer Valderrama has sniffed out his next TV role - playing Oprah Winfrey and Will Smith's celebrity dog trainer in an upcoming comedy.

The That '70s show star will play a character based on 'dog whisperer' Cesar Millan in the forthcoming Fox series, reports Daily Variety.

Millan has won over TV audiences with his own series The Dog Whisperer since 2004. The trainer gained international acclaim after Winfrey featured him on her talk show in 2005.

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