Young boy Bill Peck adores his father and tries to be good, but the arrival of Bill's cousin Horace upsets Bill's plans. Horace's brattish ways result in Bill rather than Horace getting in trouble.

Jackie Cooper
as Bill Peck

Thomas Meighan
as Henry Peck

Jackie Searl
as Horace Clay

Dorothy Peterson
as Aunt Lily Clay

O. P. Heggie
as Duffy

Charles E. Evans
as Minister (as Charles Evans)

Gertrude Howard
as Martha the Maid

Larry Wheat
as Master of Ceremonies

Harvey Clark
as Spectator