Yes, that is Louis Edmonds, Patti - and he's with actress Camilla Ashland in a screen cap from hoDS' costume party sequence. The screen cap is part of the hoDS slideshow (which isn't currently on display but which will return with a new and improved version at some point down the road):
(http://www.dsboards.com/moviesquoteimages/0221hoDS_0.jpg)
hoDS: Scene #96 - Mrs. Pettibone: 'Believe me, Roger, only a
party at Collinwood would have gotten me out of my house
tonight. All those dreadful attacks.'
Camilla Ashland also appeared on the daytime DS in three roles: 1970's Mrs. Hutchins, 1970PT's Minnie Duval, and 1840's Mrs. Purdy.