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Kevin Bacon - Actor Kevin Bacon performs with his brother Michael as the Bacon Brothers. The siblings have been working as a duo since 1995.

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Woody Allen - The filmmaker, writer, actor, and comedian is also a gifted clarinetist, and regularly takes to the stage with his New Orleans Jazz Band.

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Jennifer Love Hewitt - The 'Ghost Whisperer' star has enjoyed a successful singing career, and has released several studio albums.

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Telly Savalas - The late 'Kojak' actor released the album 'Telly' in 1974 and had a minor hit with 'If,' written by David Gates from Bread.

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Robert Downey Jr. - Before 'Iron Man,' the actor displayed a hidden talent with 'The Futurist' (2004), his first recording as a singer and songwriter. He's pictured here with Sting.

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Joel Grey - Who can forget the actor's virtuoso turn as the Master of Ceremonies in 'Cabaret' (1972)? He continues to sing and act on stage.

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Don Johnson - The 'Miami Vice' heartthrob has released several albums since his heyday as TV's "Sonny Crockett" including 'Let it Roll' (1989), 'Heartache' (1990), and 2002's 'The Essential.'

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Jeff Bridges - An accomplished guitarist, Bridges won the Academy Award for Best Actor for the 2009 film 'Crazy Heart,' about a washed up country music singer. He performed several of the songs.

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Juliette Lewis - The actress followed a string of major film roles by launching a second career in 2009 as a singer and musician. She fronts her own band, Juliette and the Licks.

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Clint Eastwood - The acclaimed actor-director first put voice to acetate way back in 1961. He sang again in 'Paint Your Wagon' (1969). An excellent piano player, Eastwood has also composed music for several films.

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Keanu Reeves - Active as a musician for over a decade, Reeves breaks out of the Matrix on occasion to play base guitar for the bands Dogstar and Becky.

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Billy Bob Thornton - The actor has had a lifelong love for music and recorded several albums. He tours regularly with his band, The Boxmasters.

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Hilary Duff - From Disney teen idol to Billboard-topping singer, the actress can turn her hand to pop, rock, folk, and even dance-electro.

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Steve Martin - Regarded as one of the greatest stand-up comics, the actor spends a lot of his time playing banjo professionally. He learned to play at 17 years old.

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Robert Mitchum - The late tough-guy actor demonstrated a fine singing voice on the album 'Calypso - is like so...' (1957) and the follow-up, 'That Man' (1967). He also sang in a number of his films.

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Kevin Costner - The actor, director, and producer is also a gifted guitarist. He's the singer in the Kevin Costner & Modern West, a country rock band that tours the world.

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David Hasselhof - Having long since hung up his crimson red Bermudas, "The Hoff" continues to enjoy a busy career in music, and records worldwide.

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Miley Cirus - The former teen idol's 'Hannah Montana' seems a world away after her meteoric crossover into the music world.

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Jamie Foxx - His role as Ray Charles in the film 'Ray' (2004) garnered the actor an Oscar for Best Actor. Foxx has been playing the piano since he was five years old.

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Bruce Willis - One of Hollywood's most bankable actors, the action hero enjoyed moderate success in the late 1980s as a recording artist.

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Lee Marvin - Hard drinking, hard living Marvin surprised everyone with his hit song 'Wand'rin Star,' taken from the musical 'Paint Your Wagon' (1969). It was a one-hit wonder.

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Jack Black - The comic was acting in television commercials as early as 1982, but showed his true colors as a musician on-screen in 'School of Rock' (2003). He is the lead singer of hard rock band, Tenacious D.

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Dan Aykroyd and John Belushi - 'The Blues Brothers' (1980) cemented the musical careers of actors John Belushi and Dan Aykroyd. The band made its debut in 1978 on 'Saturday Night Live.'

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Scarlett Johansson - Former child actor and now Hollywood A-lister, she began singing in 2006 and released her debut album, 'Anywhere I Lay My Head', in 2008.

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Jeff Daniels - A highly respected actor, Daniels is also a hugely competent guitarist and singer-songwriter. Between movie commitments, he keeps busy recording and undertakes frequent gigs.

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Johnny Depp - One of the world's biggest film stars, Depp is also a deft hand with a guitar and has guested with musicians on numerous occasions. He tours with Alice Cooper and Joe Perry as The Hollywood Vampires.

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John Travolta - The 'Pulp Fiction' star's early foray into music was not successful. All that changed however when he followed 'Saturday Night Fever' (1977) with 'Grease' (1978). The rest is history.

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Steven Seagal - Acting, martial arts, and music define Seagal. His guitar collection includes instruments previously owned by Muddy Waters and Jimi Hendrix, among others. He tours with his band Thunderbox.

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Zooey Deschanel - Known for her gregarious comedy roles, Deschanel takes her music seriously. A noted singer-songwriter, she records and tours on a regular basis.

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