Doris Day

Grace LeBoy Kahn

Danny Thomas

Gus Kahn

Frank Lovejoy

Walter Donaldson

Patrice Wymore

Gloria Knight

James Gleason

Fred Townsend

Mary Wickes

Anna

Jim Backus

Sam Harris

Minna Gombell

Mrs. LeBoy

Harry Antrim

Mr. LeBoy

William Forrest

Florenz Ziegfeld

Mimi Gibson

Irene, at age 3

Christopher Olsen

Donald, at age 4

Vince Barnett

Burlesk Comedian (uncredited)

Dan Barton

Hollywood Producer (uncredited)

Chet Brandenburg

Stagehand (uncredited)

Tristram Coffin

Nightclub Maitre D' (uncredited)

Hans Conried

William Rossiter (uncredited)

Wade Crosby

The Bartender (uncredited)

Kathleen Hughes

Nurse (uncredited)

Trudy Marshall

Frankie Mason (uncredited)

Frank McLure

Benefit Guest (uncredited)

Harold Miller

Benefit Guest (uncredited)

Ewing Mitchell

Doctor (uncredited)

Jack Mower

Benefit Guest (uncredited)

George N. Neise

Isham Jones (uncredited)

Monty O'Grady

Bar Patron (uncredited)

Paul Panzer

Man in Sing-a-Long Audience (uncredited)

Dorothy Patrick

Chorine (uncredited)

Suzanne Ridgway

Chorine in Wings (uncredited)

Dick Simmons

Egbert 'Bert' Van Alstyne (uncredited)

Ted Stanhope

Waiter (uncredited)

Arthur Tovey

Man in Sing-a-Long Audience (uncredited)

Joan Vohs

Chorine (uncredited)

Martin Wilkins

Stage Manager (uncredited)

Tom Wilson

Man in Sing-along Audience (uncredited)