Billy has appeared in 7 Video's for CBS Cares as himself
Episode # 8.01 - 2008
Episode # 7.01 - 2007
Episode # 6.01 - 2006
Episode # 4.01 - 2004 HIV/Aids

Episode # 3.01 - 2003
+ 2 More

All proceeds from this auction went to the National CASA Association, a nonprofit organization that helps abused and neglected children.

SAG

SAG Performers with disabilities 7.26.2005



SAG.org

Stop Global warming.org





Stop Global warming.org


William Petersen's stop global warming tip.






Genesis Awards







The Humane Society of the United States

Genesis Awards





Much Love Animal Rescue


Bow wow celebrity fund raiser for 'Much love animal rescue' July 2007

Much Love Animal Rescue




The Alliance for Children's rights

The Alliance for Children's Rights is protecting the rights and futures of abused and impoverished children throughout Los Angeles County, in hopes of creating a world in which all children are able to have a safe and permanent family, access to quality health care, a quality education, and all of the support and services they so rightfully deserve.


Alliance for Childrens rights Dinner 12.10.2004

LOS ANGELES – March 4, 2008 – The Alliance for Children’s Rights, the only free
legal services organization in Los Angeles devoted solely to protecting the rights of
abused and impoverished children, will present the National Champion for Children
Award to Nina Tassler, President, CBS Entertainment at its 15th Anniversary Awards
Gala. The Francis M. Wheat Community Service Award will be presented to Stacia and
Luc Robitaille. The Awards Gala will be held at The Beverly Hilton Hotel March 10th,
2008. Honorary Co-Chairs are Leslie Moonves and Nancy Tellem and Award Gala Co-
Chairs are Leslie and Cliff Gilbert-Lurie. Guest speakers Angie Harmon, Jim Hill,
Drew Carey, Eric Close and William Petersen are among those scheduled to attend.

The Alliance for Childrens rights

CASA

William Petersen talks about the importance of CASA and the help it offers
abused children.