Who is the brunette on the beach in the Mercury Summer Clearance commercials?

If you mean the spokesperson for Mercury it is Jill Suzanne Wagner (born January 13, 1979 in Winston-Salem, North Carolina), is an American actress. Attended Ledford Senior High School in Wallburg, NC. She graduated from North Carolina State University in 2001 with a bachelor's degree in management. In 2006, she co-starred in the Spike TV television show Blade: The Series as Krista Starr. She has been featured as the Mercury vehicle spokesmodel in their ads since 2005 and has become known as "The Mercury Girl"