| Cast list | | Paul Newman | as | Steve Sherman | | Joanne Woodward | as | Samantha (Sam) Blake/Mimi | | Thelma Ritter | as | Leena | | Eva Gabor | as | Felicienne Courbeau | | George Tobias | as | Joe Bergner | | Marvin Kaplan | as | Harry | | Robert Clary | as | Frenchman at Restaurant | | Jan Moriarty | as | Suzanne, Model with Umbrella | | Joan Staley | as | Danish Stewardess | | Robert F. Simon | as | Bertram Chalmers, Sherman's Boss | | Maurice Chevalier | as | Himself | | Keith Dahle | as | Shopper (as Galen Keith Dahle) | | Frank Sinatra | as | Singer behind opening credits |
| | Crew list: | | Melville Shavelson (Director) | | Melville Shavelson (Writer) |
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