Actress Dayle Haddon attends The L'Oreal Legends Gala to benefit The Ovarian Cancer Research Fund at the Museum of Natural History on November 8, 2006 in New York City. // Dayle Haddon, Playboy, L'Oreal (Evan Agostini/Getty Images)

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Actress Dayle Haddon attends The L'Oreal Legends Gala to benefit The Ovarian Cancer Research Fund at the Museum of Natural History on November 8, 2006 in New York City.

The first and only Canadian to be featured on the SI cover, Montreal's Dayle Haddon was the cover girl for the 1973 edition of the magazine, the same year she posed nude for Playboy. A longtime spokeswoman for cosmetics companies Estee Lauder, L'Oreal, Max Factor and Revlon, Haddon also starred in several movies and TV shows, including Madame Claude and North Dallas Forty.

* Bing: Who is Dayle Haddon?