All traces of the coke were gone by the time the plane landed back in the US.

A flight attendant on a private jet said this A+ list mostly movie actor who is an Academy Award winner/nominee spent almost an entire 12 hour flight doing line after line of coke and shots of booze in between doing laps up and down the short aisle of the plane.

All traces of the coke were gone by the time the plane landed back in the US.

His manic behavior was not though.

Matthew McConaughey

Source: http://www.crazydaysandnights.net