Fred Astaire

Danny O'Neill

Paulette Goddard

Ellen Miller

Artie Shaw

Himself

Charles Butterworth

J. Lester Chisholm

Burgess Meredith

Hank Taylor

Frank Melton

Stu

Jimmy Conlin

Mr. Dunn

Don Brodie

Clerk

Marjorie Kane

Secretary

Joan Barclay

Receptionist

Willa Pearl Curtis

Scrubwoman

Phil Arnold

Shaw's First Manager (uncredited)

Bobby Barber

Room Service Waiter (uncredited)

Bus Bassey

Tenor Sax Player (uncredited)

William Benedict

Ticket Taker (uncredited)

Vernon Brown

Trombone Player (uncredited)

Billy Butterfield

Trumpet Player (uncredited)

Romaine Callender

Waiter (uncredited)

Jack Cathcart

Trumpet Player (uncredited)

Heinie Conklin

Reporter (uncredited)