Ryan Gosling: Sebastian „Seb“ Wilder
Emma Stone: Mia Dolan
John Legend: Keith
Rosemarie DeWitt: Laura Wilder
J. K. Simmons: Bill
Finn Wittrock: Greg Earnest
Sonoya Mizuno: Caitlin
Callie Hernandez: Tracy
Jessica Rothe: Alexis
Tom Everett Scott: David
Josh Pence: Josh
Trevor Lissauer: Valet
Jason Fuchs: Carlo
Hemky Madera: Jimmy