Martin Luther McCoy is an American musician and actor. He collaborated extensively with musicians like The Roots and Cody ChesnuTT and appears as one of the six lead characters in the 2007 Beatles musical Across the Universe in the role of "JoJo".

McCoy goes by the stage name of "Martin Luther" in his music career. For his acting work he is credited under his full name.

Martin Luther released his first solo album The Calling in 1999 and followed it with an independent release of his second album Rebel Soul Music in 2004 on his own label Rebel Soul Records; his next release "Serial Thriller" is due for release in early 2008.

Martin Luther McCoy plays the part of Jojo in the 2007 film "Across the Universe".

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