Doris Day

Character: Grace LeBoy Kahn

Danny Thomas

Character: Gus Kahn

Frank Lovejoy

Character: Walter Donaldson

Patrice Wymore

Character: Gloria Knight

James Gleason

Character: Fred Townsend

Mary Wickes

Character: Anna

Julie Oshins

Character: Johnny Martin

Jim Backus

Character: Sam Harris

Minna Gombell

Character: Mrs. LeBoy

Harry Antrim

Character: Mr. LeBoy

William Forrest

Character: Florenz Ziegfeld

Bunny Lewbel

Character: Irene, at age 6

Robert Lyden

Character: Donald, at age 8

Mimi Gibson

Character: Irene, at age 3

Christopher Olsen

Character: Donald, at age 4

John Alban

Character: Benefit Guest (uncredited)

Betty Arlen

Character: Chorine (uncredited)

Vince Barnett

Character: Burlesk Comedian (uncredited)

Dan Barton

Character: Hollywood Producer (uncredited)

Mary Bayless

Character: Benefit Guest (uncredited)

Rodney Bell

Character: Harris' Assistant (uncredited)

George Boyce

Character: Stage Manager (uncredited)

Paul Bradley

Character: Benefit Guest (uncredited)

Chet Brandenburg

Character: Stagehand (uncredited)

Else Bäck

Character: Mrs. Kahn (uncredited)

Frances Canto

Character: Nurse (uncredited)

Geraldine Cobb

Character: Secretary (uncredited)

Tristram Coffin

Character: Nightclub Maitre D' (uncredited)

Hans Conried

Character: William Rossiter (uncredited)

Paul Cristo

Character: Soldier (uncredited)

Wade Crosby

Character: The Bartender (uncredited)

Dan Dowling

Character: Nightclub Patron (uncredited)

Tom Ferrandini

Character: Benefit Guest (uncredited)

Charles Fogel

Character: Benefit Guest (uncredited)

Rudy Germane

Character: Soldier (uncredited)

Kenneth Gibson

Character: Benefit Guest (uncredited)

James Gonzalez

Character: Party Guest (uncredited)

Herschel Graham

Character: Party Guest (uncredited)

Marion Gray

Character: Racetrack Patron (uncredited)

Robert Haines

Character: Waiter (uncredited)

Ray Heindorf

Character: Orchestra Leader at Kahn Benefit (uncredited)

Marcoreta Hellman

Character: Secretary (uncredited)

Kathleen Hughes

Character: Nurse (uncredited)

Pete Kellett

Character: Soldier (uncredited)

Ray Kellogg

Character: John McCormack (uncredited)

Clarence M. Landry

Character: Dancer (uncredited)

Trudy Marshall

Character: Frankie Mason (uncredited)

Sydney Mason

Character: Doctor (uncredited)

Frank McLure

Character: Benefit Guest (uncredited)

Harold Miller

Character: Benefit Guest (uncredited)

Ewing Mitchell

Character: Doctor (uncredited)

Hans Moebus

Character: Benefit Guest (uncredited)

Jack Mower

Character: Benefit Guest (uncredited)

Violet Murray

Character: Chorine (uncredited)

George N. Neise

Character: Isham Jones (uncredited)

William J. O'Brien

Character: Waiter (uncredited)

Monty O'Grady

Character: Bar Patron (uncredited)

Peter Ortiz

Character: Soldier (uncredited)

Paul Panzer

Character: Man in Sing-a-Long Audience (uncredited)

Dorothy Patrick

Character: Chorine (uncredited)

Norman Phillips Jr.

Character: Young Song Writer / Pianist (uncredited)

Lonnie Pierce

Character: Chorine (uncredited)

Joe Ploski

Character: Man in Sing-a-Long Audience (uncredited)

Suzanne Ridgway

Character: Chorine in Wings (uncredited)

Rod Rogers

Character: Assistant Manager (uncredited)

Clark Ross

Character: Benefit Guest (uncredited)

Dick Simmons

Character: Egbert 'Bert' Van Alstyne (uncredited)

Ted Stanhope

Character: Waiter (uncredited)

Arthur Tovey

Character: Man in Sing-a-Long Audience (uncredited)

Glen Turnbull

Character: Stage Manager (uncredited)

Joan Vohs

Character: Chorine (uncredited)

Martin Wilkins

Character: Stage Manager (uncredited)

Bonnie Lou Williams

Character: Gloria Knight (singing voice) (uncredited)

Jack Williams

Character: Dancer (uncredited)

Tom Wilson

Character: Man in Sing-along Audience (uncredited)