
Jascha Heifetz
Himself
Acting

Joel McCrea
Peter McCarthy
Acting

Andrea Leeds
Ann Lawson
Acting

Gene Reynolds
Frankie
Acting

Walter Brennan
Professor Lawson
Acting

Porter Hall
Mr. Flower
Acting

Walter Tetley
Rocks Mulligan
Acting

Alfred Newman
Musical Director
Sound

John St. Polis
Davis
Acting
![Alexander Schoenberg]()
Alexander Schoenberg
Menken
Acting

Marjorie Main
Mrs. Miller
Acting

Paul Harvey
Heifetz' Manager
Acting
![Peter Meremblum]()
Peter Meremblum
Peter Meremblum
Acting
![Calvin Leslie]()
Calvin Leslie
(uncredited)
Acting
![Effie Anderson]()
Effie Anderson
Woman on Steps (uncredited)
Acting

Jessie Arnold
Woman in Alley Yelling for Police (uncredited)
Acting

Arthur Aylesworth
Detective (uncredited)
Acting
![Emanuel Bay]()
Emanuel Bay
Accompanist for 'Hora staccato' (uncredited)
Acting

Brooks Benedict
Man in Concert Audience (uncredited)
Acting
![Richard Berres]()
Richard Berres
Cellist in Meremblum Orchestra (uncredited)
Acting

Stanley Blystone
Policeman at Police Station (uncredited)
Acting
![Morris Boltuch]()
Morris Boltuch
Kid in Orchestra (uncredited)
Acting

Wade Boteler
Bill - Police Lieutenant (uncredited)
Acting
![Raymond D. Bowman]()
Raymond D. Bowman
Violinist (uncredited)
Acting

Virginia Brissac
Willie's Mother (uncredited)
Acting

Dorothy Christy
Woman Angry at Husband Being Late (uncredited)
Acting

Charles Coleman
Henry - Heifetz's Butler (uncredited)
Acting
![Kaye Connor]()
Kaye Connor
Girl in Orchestra (uncredited)
Acting
![Dulcie Day]()
Dulcie Day
A Woman in Line (uncredited)
Acting

Joe De Stefani
Pawn Broker (uncredited)
Acting

Alan Edwards
Concertgoer Throwing Tickets Away (uncredited)
Acting
![Virginia Ellis]()
Virginia Ellis
Violinist (uncredited)
Acting

Fern Emmett
Woman on Steps (uncredited)
Acting

James Flavin
Police Sergeant (uncredited)
Acting

John Hamilton
Detective (uncredited)
Acting

Robert Homans
Policeman at Barney's Pool Room (uncredited)
Acting

Roger Imhof
Michael - Deputy (uncredited)
Acting
![Perry Ivins]()
Perry Ivins
Mr. Morgam (uncredited)
Acting
![Frank Jaquet]()
Frank Jaquet
Mr. Wallace (uncredited)
Acting

John Kelly
Kelly (uncredited)
Acting

Ethan Laidlaw
Film Delivery Man (uncredited)
Acting
![Maude Louis]()
Maude Louis
Woman in Line (uncredited)
Acting
![Mitchell Lurie]()
Mitchell Lurie
Clarinetist in Orchestra (uncredited)
Acting

Diana Lynn
Pianist (uncredited)
Acting

J. Farrell MacDonald
Police Chief (uncredited)
Acting

Louis Mason
Deputy (uncredited)
Acting

Eric Mayne
Man in Concert Audience
Acting
![Anne O'Neal]()
Anne O'Neal
Woman on Steps (uncredited)
Acting

Emory Parnell
Policeman in Rain (uncredited)
Acting

Lee Phelps
Policeman in Auditorium (uncredited)
Acting
![Edwina Pierce]()
Edwina Pierce
Violinist (uncredited)
Acting
![Annette Ruderman]()
Annette Ruderman
Violinist (uncredited)
Acting
![Theodore Saidenberg]()
Theodore Saidenberg
Heifetz's Accompanist (uncredited)
Acting

Wyndham Standing
Undetermined Role (uncredited)
Acting

Paul Stanton
Inspector Johnson (uncredited)
Acting

Elizabeth Valentine
Undetermined Role (uncredited)
Acting

Emmett Vogan
Police Chief's Aide (uncredited)
Acting
![Bryant Washburn Jr.]()
Bryant Washburn Jr.
Usher in Carnegie Hall (uncredited)
Acting

Billy Wayne
Film Delivery Man (uncredited)
Acting

Marjorie Wood
Betty's Mother (uncredited)
Acting
![Mary Louise Zeyen]()
Mary Louise Zeyen
Cellist in Orchestra (uncredited)
Acting