her name is Dufflyn Lammers.
It may have been a contestant or the woman who won the Wheel of Fortune Vanna for A Day. It is not likely that they would have an actress who had nothing to do with the show. In the past 3 months since the question was asked I have not seen a commericial for Wheel of Fortune using an actress
Commercial and syndication revenue
Wheel of Fortune - 1983 Wheel of Fortune 25 12 - 25.117 was released on: USA: 19 February 2008
Wheel of Fortune - 1983 Wheel of Fortune from Portland 4 - 29.169 was released on: USA: 10 May 2012
Go to the Wheel of Fortune site
Wheel of fortune does not provide contestant information
Wheel of Fortune - 1983 Wheel of Fortune 25 10 25-115 was released on: USA: 15 February 2008
Wheel of Fortune - 1983 Wheel of Fortune 25 11 25-116 was released on: USA: 18 February 2008
Wheel of Fortune - 1983 Wheel of Fortune 25 18 25-123 was released on: USA: 27 February 2008
Wheel of Fortune - 1983 Wheel of Fortune 25 1 25-106 was released on: USA: 4 February 2008
Wheel of Fortune - 1983 Wheel of Fortune from Portland 1 29-166 was released on: USA: 7 May 2012
Wheel of Fortune - 1983 Wheel of Fortune 25 2 25-107 was released on: USA: 5 February 2008