The Vanishing of Sidney Hall is a 2017 American mystery drama film directed and co-written by Shawn Christensen and starring Logan Lerman, Elle Fanning, Michelle Monaghan, Nathan Lane and Kyle Chandler.

Shawn Christensen is an American musician, filmmaker, podcaster and artist. He is a graduate of Pratt Institute, where he earned a Bachelor of Fine Arts in illustration and graphic design. Christensen was the frontman of the indie rock band Stellastarr. In 2013, he won the Academy Award for Best Live Action Short Film for his short film Curfew.