A young musician invents an anti-theft device for cars, but works as a jazz conductor while waiting for his invention to be successful.
Stanley Lupino
Frank Brown
Laddie Cliff
George
Will Fyffe
Simmy
Dorothy Hyson
Lillian
Harry Tate
Dupont
Renee Gadd
Pauline
Gus McNaughton
Waller
Jimmy Godden
Brummelberg
Bertha Belmore
Mrs. Brummelberg
Hal Gordon
Conjuror
Norma Varden
Miss Stone, Secretary with Glasses
Elizabeth Vaughan
