Himself

Peter McCarthy

Ann Lawson

Frankie

Professor Lawson

Limey

Willie

Mr. Flower

Rocks Mulligan

Fever

Betty

Musical Director

Suzie

Davis

Menken

Mrs. Miller

Miller

Heifetz' Manager

Sucker the Dog

Peter Meremblum

(uncredited)

Woman on Steps (uncredited)

Woman in Alley Yelling for Police (uncredited)

Detective (uncredited)

Accompanist for 'Hora staccato' (uncredited)

Man in Concert Audience (uncredited)

Cellist in Meremblum Orchestra (uncredited)

Policeman at Police Station (uncredited)

Kid in Orchestra (uncredited)

Bill - Police Lieutenant (uncredited)

Violinist (uncredited)

Willie's Mother (uncredited)

Woman Angry at Husband Being Late (uncredited)

Henry - Heifetz's Butler (uncredited)

Girl in Orchestra (uncredited)

A Woman in Line (uncredited)

Pawn Broker (uncredited)

Concertgoer Throwing Tickets Away (uncredited)

Violinist (uncredited)

Woman on Steps (uncredited)

Police Sergeant (uncredited)

Detective (uncredited)

Policeman at Barney's Pool Room (uncredited)

Michael - Deputy (uncredited)

Mr. Morgam (uncredited)

Mr. Wallace (uncredited)

Kelly (uncredited)

Film Delivery Man (uncredited)

Woman in Line (uncredited)

Clarinetist in Orchestra (uncredited)

Pianist (uncredited)

Police Chief (uncredited)

Deputy (uncredited)

Man in Concert Audience

Woman on Steps (uncredited)

Policeman in Rain (uncredited)

Policeman in Auditorium (uncredited)

Violinist (uncredited)

Violinist (uncredited)

Heifetz's Accompanist (uncredited)

Undetermined Role (uncredited)

Inspector Johnson (uncredited)

Undetermined Role (uncredited)

Police Chief's Aide (uncredited)

Usher in Carnegie Hall (uncredited)

Film Delivery Man (uncredited)

Betty's Mother (uncredited)

Cellist in Orchestra (uncredited)