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

John Alban

Benefit Guest (uncredited)

Vince Barnett

Burlesk Comedian (uncredited)

Dan Barton

Hollywood Producer (uncredited)

Paul Bradley

Benefit Guest (uncredited)

Chet Brandenburg

Stagehand (uncredited)

Tris Coffin

Nightclub Maitre D' (uncredited)

Hans Conried

William Rossiter (uncredited)

Paul Cristo

Soldier (uncredited)

Wade Crosby

The Bartender (uncredited)

Charles Fogel

Benefit Guest (uncredited)

Rudy Germane

Soldier (uncredited)

Kenneth Gibson

Benefit Guest (uncredited)

James Gonzalez

Party Guest (uncredited)

Herschel Graham

Party Guest (uncredited)

Marion Gray

Racetrack Patron (uncredited)

Ray Heindorf

Orchestra Leader at Kahn Benefit (uncredited)

Kathleen Hughes

Nurse (uncredited)

Pete Kellett

Soldier (uncredited)

Ray Kellogg

John McCormack (uncredited)

Trudy Marshall

Frankie Mason (uncredited)

Frank McLure

Benefit Guest (uncredited)

Harold Miller

Benefit Guest (uncredited)

Ewing Mitchell

Doctor (uncredited)

Hans Moebus

Benefit Guest (uncredited)

Jack Mower

Benefit Guest (uncredited)

George N. Neise

Isham Jones (uncredited)

William J. O'Brien

Waiter (uncredited)

Monty O'Grady

Bar Patron (uncredited)

Paul Panzer

Man in Sing-a-Long Audience (uncredited)

Dorothy Patrick

Chorine (uncredited)

Norman Phillips Jr.

Young Song Writer / Pianist (uncredited)

Joe Ploski

Man in Sing-a-Long Audience (uncredited)

Suzanne Ridgway

Chorine in Wings (uncredited)

Clark Ross

Benefit Guest (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)