If at first you don't succeed, build a time machine.
Stillman, a heartbroken physics student, builds a time machine when his girlfriend breaks up with him. Going back in time, he attempts to save their relationship by fixing every mistake he made—while dragging his best friend along in the process.
Asa Butterfield
Stillman
Sophie Turner
Debbie
Skyler Gisondo
Evan
Will Peltz
Ryan
Aubrey Reynolds
Blue Ribbons
Jillian Joy
Carly
Joseph Park
Andy
Caden J. Gregoire
Kyle
Mary Elizabeth Boylan
Sophia
Joey Miyashima
Professor
