Nat Wolff
Jack
Alex Wolff
Oliver
Paulina Singer
Violet
Nick Sandow
Ron
Polly Draper
Sally
J
Julia Abueva
Cassandra
Julia Macchio
Caitlin
Leo Heller
Shark Boy
L
Lisa Darden
Glinda
Patricia Squire
Sally's Mother
W
Will Cooper
New Agey Vet
Norm Golden
Neighbor
K
Kareem Williams
Party Goer
A
Alex DiMattia
Richard
Joshua Satine
Young Oliver
S
Simon Maxwell
Young Jack
S
Shawn Allen McLaughlin
Dad
K
Kelly Swint
Dancer #1
Adam Enright
Stage Manager
C
Christopher Halladay
Marty
H
Harriet Weaver
Caroline
S
Stella
Stella
C
Courtney Leigh Goodwin
Pedestrian (uncredited)