4. Keanu Reeves
Although this actor was not the main singer of the band Dogstar, in most of the songs he made choirs and was the bass player of the group.
5. Bruce Willis
The famous Saturn-award-winning actor enjoyed a successful career as a singer in 2002, making it to second place on the UK chart with his single Under the Boardwalk.
6. Peter Dinklage
The interpreter of Tyirion Lanister, famous for the series Game Of Thrones, not only is a great actor, also has ventured in some occasions, to sing. He even collaborated with Coldplay on a charity video.
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