watch 01:20 The Loop (TV) Do you like this video? Phyllis' Sister made an appearance as one of Phyllis' bridesmaids during her wedding. She is portrayed by Maile Flanagan, and only appeared in Phyllis' Wedding. She was a background character for the episode, only speaking in a deleted scene. Retrieved from "https://theoffice.fandom.com/wiki/Phyllis%27_Sister?oldid=103756" Categories: Characters Family members Females Images of Family Members and Loved Ones Community content is available under CC-BY-SA unless otherwise noted.