Dick Powell

as Richard 'Dick' Purcell, aka Ricardo Purcelli

Joan Blondell

as Alice Hughes

Adolphe Menjou

as Professor Eduardo de Vinci

Louise Fazenda

as Mrs. Flagenheim

William Gargan

as Cliff Stanley

George Barbier

as Music Critic Hayward

Grant Mitchell

as E.V. Richards, Radio Producer

Ted Fio Rito

as Ted Fio Roto - Orchestra Leader

Donald Mills

Harry Mills