he was motivated by realizing he had never loved her as much as Jim loves Pam. He reappears in "Niagara", attending Jim and Pam's wedding, where he is accompanied by his considerably younger new girlfriend, whom Jim mistakes for his niece. Penny Beesly (Anna Camp) is Pam's sister. She appears in "Niagara", where she is the maid of honor at Pam and Jim's wedding. When Pam introduces her to Oscar and Kevin, she manages to unintentionally offend the former when she mistakes the latter for his ex, Gil. When the ceremony is interrupted by the JK Wedding Entrance Dance recreation, she is apologetic to Pam for allowing it to happen, but Pam encourages her sister to dance down the aisle along with everyone else. Camp would later go on to star with Mindy Kaling in her show The Mindy Project. Sylvia (Peggy Stewart), known as "Meemaw" to her family, is Pam's conservative grandmother, whom Pam describes as the only elderly woman at her wedding "with no smile wrinkles". She first appears in "Niagara", where she travels to Niagara Falls for Jim and Pam's wedding. But, after Jim inadvertently reveals that Pam is pregnant, she refuses to attend, until Michael is able to convince her to do so by falsely telling her that Jim and Pam will name their baby after her (or "Sylvio", if it is a boy). She reappears in "Christening", where she attends CeCe's christening. Alex (Rich Sommer) is a student at the Pratt Institute in New York City who quickly befriends Pam during her summer internship. The two share a couple of jokes about two of the professors in "Weight Loss". He makes another appearance in "Customer Survey", where he tries to convince Pam to not return to Scranton, but instead stay in New York to pursue her career in art. It is indicated that he is attracted to Pam, and that he views Jim the same way Jim viewed Roy. In an interview with USA Today, Sommer revealed that his character was originally intended to be a potential roadblock for Jim and Pam's relationship, but fan reaction to this storyline was so overwhelmingly negative, that the writers abandoned the idea. Isabel Poreba (Kelen Coleman) is a dental hygienist who attends Jim and Pam's wedding as a bridesmaid, where she has sex with Dwight. The night before the wedding, she takes a liking to Dwight when he