Olympic Aid, the official charity of the Olympics, announced Monday that Academy Award-winning actress Angelina Jolie and hockey superstar Wayne Gretzky will participate in Saturday's Roundtable Forum.

U.N. Secretary-General Kofi Annan will open the forum, whose participants will also include Archbishop Desmond Tutu, International Olympic Committee President Jacques Rogge and Salt Lake Organizing Committee President Mitt Romney.

The roundtable is titled "Healthier, Safer, Stronger: Using sport for development to build a brighter future for children worldwide."

It will be held at the LDS Conference Center from 9 to 11:30 a.m. It is not open to the public.