Tommy 'Tom' Williams

Mickey Rooney

Penny Morris

Judy Garland

Miss Jones

Fay Bainter

Barbara Josephine "Jo" Conway

Virginia Weidler

Ray Lambert

Ray McDonald

Morton Hammond

Richard Quine

Mr. Stone

Donald Meek

Alexander Woollcott

Alexander Woollcott

Nick

Luis Alberni

Thornton Reed

James Gleason

Mrs. Williams

Emma Dunn

Busby Berkeley

Composer

Charles Wagenheim

Mr. Theodore Morris

Frederick Burton

Inspector Moriarity

Cliff Clark

Woollcott's Announcer

William Post Jr.

Man

Carl Stockdale

Butch

Dick Baron

Church Choir (uncredited)

St. Luke's Episcopal Church Chorister

Shorty, Drugstore Waiter / Cook (uncredited)

Will Lee

Shorty

William A. Lee

Tony (uncredited)

Sidney Miller

Secretary (uncredited)

Donna Reed

Maxine (uncredited)

Margaret O'Brien

Mason, Aide to Reed

Joe Yule

Hammond's Singing Partner

Anne Rooney

Pit Astor Girl

Dorothy Morris

Pit Astor Girl

Maxine Flores

Hefty Customer at Nick's (uncredited)

Jack 'Tiny' Lipson

Reed's Writer (uncredited)

Lester Dorr