The Horn Blows at Midnight

Jack Benny

Athanael

Alexis Smith

Elizabeth

Dolores Moran

Violinist / Fran Blackstone

Allyn Joslyn

Second Trumpeter / Osidro

Reginald Gardiner

Composer / Archie Dexter

Guy Kibbee

Radio Director / The Chief

John Alexander

First Trumpeter / Doremus

Franklin Pangborn

Radio Engineer / Sloan

Margaret Dumont

Mme. Traviata / Miss Rodholder

Robert Blake

Junior Pulplinsky

Ethel Griffies

Lady Stover

Paul Harvey

Hotel Manager Thompson

Mike Mazurki

Bass Player / Humphrey Rafferty

Truman Bradley

Radio Announcer

Murray Alper

Hotel Bell Captain (uncredited)

Whit Bissell

Heavenly Piccolo Player (uncredited)

Oliver Blake

Photographer in Heaven (uncredited)

Monte Blue

The Chef (uncredited)

John Brown

Lou the waiter (uncredited)

James Burke

Policeman (uncredited)