Leonardo DiCaprio character Frank Wheeler
Kate Winslet character April Wheeler
David Harbour character Shep Campbell
Kathryn Hahn character Milly Campbell
Kathy Bates character Mrs. Helen Givings
Michael Shannon character John Givings
Dylan Baker character Jack Ordway
Richard Easton character Howard Givings
Zoe Kazan character Maureen Grube
Jay O. Sanders character Bart Pollock
Max Baker character Vince Lathrop
Max Casella character Ed Small
Ty Simpkins character Michael Wheeler
Ryan Simpkins character Jennifer Wheeler
Kristen Connolly character Mrs. Brace
John Behlmann character Mr. Brace
Keith Reddin character Ted Bandy
Dylan Clark Marshall character Campbell Kid
Marin Ireland character Party Guest
John Ottavino character Other Actor in the Play
David Gere character Passenger on Train (uncredited)
