Family Squares— Full Cast

Billy Magnussen

as Robert

Judy Greer

as Dorsey

Scott MacArthur

as Chad

Sam Richardson

as Alex

Ann Dowd

as Judith

Margo Martindale

as Diane

Casey Wilson

as Katie

Henry Winkler

as Bobby

June Squibb

as Mabel

Elsie Fisher

as Cassie

Timothy Simons

as Bret

Zoë Chao

as Kelly

Rob Reiner

as Narrator (voice)

Nate Corddry

as Kevin