| Doris Day | Kate Mackay | 
    
    
      | David Niven | Larry Mackay | 
    
    
      | Janis Paige | Deborah Vaughn | 
    
    
      | Spring Byington | Suzie Robinson | 
    
    
      | Richard Haydn | Alfred North | 
    
    
      | Patsy Kelly | Maggie | 
    
    
      | Jack Weston | Joe Positano | 
    
    
      | John Harding | Norman McQuarry | 
    
    
      | Margaret Lindsay | Mona James | 
    
    
      | Carmen Phillips | Mary Smith | 
    
    
      | Mary Patton | Mrs. Hunter | 
    
    
      | Charles Herbert | David Mackay | 
    
    
      | Stanley Livingston | Gabriel Mackay | 
    
    
      | Flip Mark | George Mackay | 
    
    
      | Baby Gellert | Adam Mackay | 
    
    
      | Bess Flowers | Lady in Elevator (uncredited) | 
    
    
      | Milton Frome | Gus (uncredited) | 
    
    
      | Leoda Richards | Restaurant Patron (uncredited) | 
    
    
      | Benny Rubin | Pete (uncredited) | 
    
    
      | Irene Tedrow | Mrs. Greenfield (uncredited) | 
    
    
      | Barbara Aberle | Guest (uncredited) | 
    
    
      | Eddie Baker | Sardi's Patron (uncredited) | 
    
    
      | Mary Benoit | Guest (uncredited) | 
    
    
      | Bobette Bentley | Student (uncredited) | 
    
    
      | Gail Bonney | Miss Bonney (uncredited) | 
    
    
      | Lovyss Bradley | Maid (uncredited) | 
    
    
      | John Brennan | Young Man (uncredited) | 
    
    
      | Ella Mae Brown | Browser (uncredited) | 
    
    
      | Jhean Burton | Actress (uncredited) | 
    
    
      | Lorraine Caldwell | Guest (uncredited) | 
    
    
      | Kathryn Card | Mrs. Yule (uncredited) | 
    
    
      | Jack Chefe | Sardi's Headwaiter (uncredited) | 
    
    
      | Richard Collier | Fabric Salesman (uncredited) | 
    
    
      | Joseph Cronin | Pianist (uncredited) | 
    
    
      | Oliver Cross | Party Guest (uncredited) | 
    
    
      | Lucille Curtis | Guest (uncredited) | 
    
    
      | Robert Darin | Minor Role (uncredited) | 
    
    
      | Frank Delfino | Minor Role (uncredited) | 
    
    
      | Burt Douglas | Young Man (uncredited) | 
    
    
      | Amy Douglass | Martha (uncredited) | 
    
    
      | Joan Dupuis | Minor Role (uncredited) | 
    
    
      | Estelle Etterre | Guest (uncredited) | 
    
    
      | Duke Fishman | Browser (uncredited) | 
    
    
      | Donald Foster | Justin Withers (uncredited) | 
    
    
      | Marianne Gaba | Young Girl (uncredited) | 
    
    
      | Frank Gardner | Student (uncredited) | 
    
    
      | Kenneth Gibson | Sardi's Patron (uncredited) | 
    
    
      | James Gonzalez | Actor in Play (uncredited) | 
    
    
      | Stuart Hall | Sardi's Patron (uncredited) | 
    
    
      | Christian Haren | Minor Role (uncredited) | 
    
    
      | Stuart Holmes | Mona's Bald Party Guest (uncredited) | 
    
    
      | Kenner G. Kemp | Party Guest (uncredited) | 
    
    
      | Marina Koshetz | Jane March (uncredited) | 
    
    
      | Karyn Kupcinet | Minor Role (uncredited) | 
    
    
      | Perk Lazelle | Sardi's Patron (uncredited) | 
    
    
      | Peter Leeds | Mackay's Secretary (uncredited) | 
    
    
      | Len Lesser | Waiter at Sardi's (uncredited) | 
    
    
      | Larry McCormick | Elevator Operator (uncredited) | 
    
    
      | Claire Meade | Dowager (uncredited) | 
    
    
      | Harold Miller | Sardi's Patron / Elevator Passenger (uncredited) | 
    
    
      | Paul Power | Party Guest (uncredited) | 
    
    
      | Paul Ravel | Waiter (uncredited) | 
    
    
      | John Rice | Elevator Passenger (uncredited) | 
    
    
      | Clark Ross | Elevator Passenger (uncredited) | 
    
    
      | Cosmo Sardo | Waiter (uncredited) | 
    
    
      | Charles Seel | Upholstery Man (uncredited) | 
    
    
      | Norman Stevans | Sardi's Patron (uncredited) | 
    
    
      | Guy Stockwell | Young Man (uncredited) | 
    
    
      | Lomax Study | Elevator Operator (uncredited) | 
    
    
      | Hal Taggart | Elevator Passenger (uncredited) | 
    
    
      | Harry Tenbrook | Elevator Passenger (uncredited) | 
    
    
      | Geraldine Wall | Dr. Sprouk (uncredited) | 
    
    
      | Joseph Waring | Salesman (uncredited) | 
    
    
      | Ira L. Westley | Bassist (uncredited) | 
    
    
      | Frank Wilcox | TV Interviewer (uncredited) |