Doris Day as Kate Mackay

David Niven as Larry Mackay

Janis Paige as Deborah Vaughn

Spring Byington as Suzie Robinson

Richard Haydn as Alfred North

Patsy Kelly as Maggie

Jack Weston as Joe Positano

John Harding as Norman McQuarry

Margaret Lindsay as Mona James

Carmen Phillips as Mary Smith

Mary Patton as Mrs. Hunter

Charles Herbert as David Mackay

Stanley Livingston as Gabriel Mackay

Flip Mark as George Mackay

Baby Gellert as Adam Mackay

Bess Flowers as Lady in Elevator (uncredited)

Milton Frome as Gus (uncredited)

Leoda Richards as Restaurant Patron (uncredited)

Benny Rubin as Pete (uncredited)

Irene Tedrow as Mrs. Greenfield (uncredited)

Barbara Aberle as Guest (uncredited)

Eddie Baker as Sardi's Patron (uncredited)

Mary Benoit as Guest (uncredited)

Bobette Bentley as Student (uncredited)

Gail Bonney as Miss Bonney (uncredited)

Lovyss Bradley as Maid (uncredited)

John Brennan as Young Man (uncredited)

Ella Mae Brown as Browser (uncredited)

Jhean Burton as Actress (uncredited)

Lorraine Caldwell as Guest (uncredited)

Kathryn Card as Mrs. Yule (uncredited)

Jack Chefe as Sardi's Headwaiter (uncredited)

Richard Collier as Fabric Salesman (uncredited)

Joseph Cronin as Pianist (uncredited)

Oliver Cross as Party Guest (uncredited)

Lucille Curtis as Guest (uncredited)

Robert Darin as Minor Role (uncredited)

Frank Delfino as Minor Role (uncredited)

Burt Douglas as Young Man (uncredited)

Amy Douglass as Martha (uncredited)

Joan Dupuis as Minor Role (uncredited)

Estelle Etterre as Guest (uncredited)

Duke Fishman as Browser (uncredited)

Donald Foster as Justin Withers (uncredited)

Marianne Gaba as Young Girl (uncredited)

Frank Gardner as Student (uncredited)

Kenneth Gibson as Sardi's Patron (uncredited)

James Gonzalez as Actor in Play (uncredited)

Stuart Hall as Sardi's Patron (uncredited)

Christian Haren as Minor Role (uncredited)

Stuart Holmes as Mona's Bald Party Guest (uncredited)

Kenner G. Kemp as Party Guest (uncredited)

Marina Koshetz as Jane March (uncredited)

Karyn Kupcinet as Minor Role (uncredited)

Perk Lazelle as Sardi's Patron (uncredited)

Peter Leeds as Mackay's Secretary (uncredited)

Len Lesser as Waiter at Sardi's (uncredited)

Larry McCormick as Elevator Operator (uncredited)

Claire Meade as Dowager (uncredited)

Harold Miller as Sardi's Patron / Elevator Passenger (uncredited)

Paul Power as Party Guest (uncredited)

Paul Ravel as Waiter (uncredited)

John Rice as Elevator Passenger (uncredited)

Clark Ross as Elevator Passenger (uncredited)

Cosmo Sardo as Waiter (uncredited)

Charles Seel as Upholstery Man (uncredited)

Norman Stevans as Sardi's Patron (uncredited)

Guy Stockwell as Young Man (uncredited)

Lomax Study as Elevator Operator (uncredited)

Hal Taggart as Elevator Passenger (uncredited)

Harry Tenbrook as Elevator Passenger (uncredited)

Geraldine Wall as Dr. Sprouk (uncredited)

Joseph Waring as Salesman (uncredited)

Ira L. Westley as Bassist (uncredited)

Frank Wilcox as TV Interviewer (uncredited)