Don't Weaken!

A dancing instructor gets involved with a newly rich family.

Comedy

Ford Sterling

(Professor Yonson - the Dancing Master)

James Finlayson

(Lightfingered Luke - Professor Yonson's Assistant)

Charles Murray

(Frank Reilly)

Fanny Kelly

(Reilly's Wife)

Harriet Hammond

(Reilly's Daughter)

Joseph Belmont

(Reilly's Daughter's Beau)

Billy Armstrong

(The Pianist (uncredited))

Lige Conley

(Reilly's Poker Pal (uncredited))

Al Cooke

(The Butler (uncredited))

Virginia Fox

(Dance Pupil (uncredited))

Eddie Gribbon

(Dance Pupil (uncredited))

Patrick Kelly

(The Timekeeper (uncredited))

Gordon Lewis

(Dance Pupil (uncredited))

Charlotte Mineau

(Party Guest (uncredited))

Kalla Pasha

(Dance Pupil (uncredited))

John Rand

(The Cop (uncredited))

Tiny Ward

(Reilly's Poker Pal (uncredited))