Most of these guys aren't real-life junkies -- they only play them on-screen. But that doesn't stop us from loving their bad-boy, self-destructive ways.

Hottest Onscreen Junkies

    10. Johnny Depp in Blow

    New Line

    9. Jeremy Sisto in Thirteen

    Bryan Bedde, Getty Images

    8. Robert Downey Jr. In Less Than Zero

    Jun Sato, WireImage

    7. Jonathan Rhys Myers in Velvet Goldmine

    Eric Ryan, Getty Images

    6. Heath Ledger in Candy

    Thinkfilm

    5. Matt Dillon in Drugstore Cowboy

    Barry King, WireImage

    4. River Phoenix in My Own Private Idaho

    Michael Tighe, Getty images

    3. Jared Leto in Requiem for a Dream

    Dan Kitwood, Getty Images

    2. Ryan Gosling in Half Nelson

    Thinkfilm

    1. Ewan Mcgregor in Trainspotting

    ZUMA Press