Mark Duplass celebrated the premiere of Manson Family Vacation with his brother, the film’s star, Jay Duplass on Sunday night at the STK Supper Suite at SXSW.

Duplass Brothers Celebrate Manson Family Vacation At SXSW

Jay Duplass and Samantha Kern at STK Supper Suite

Jay stars in Manson Family Vacation as Nick Morgan, a successful lawyer whose life is thrown upside down when his estranged brother Conrad (Linas Phillips) pays him a surprise visit. The film follows the two as Nick reluctantly accompanies Conrad on a road trip to the infamous Manson Family murder sites.

Tonight is the world premiere of our film Manson Family Vacation and I am very very excited #SXSW

— Jay Duplass (@jayduplass) March 16, 2015

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Both Duplass brothers served as executive producers on the film, and celebrated together at a pre-premiere party. The film premieres Monday night as part of South By Southwest’s Narrative Film Competition.

Dave Bullock, Christopher Sepulveda, Mark Duplass, Jay Duplass, Samatha Kern