David Denman, who plays the victim's fiancée, appeared several times as a demon named "Skip" in a story arc in seasons 3 & 4 with David Boreanaz in his previous show Angel (1999).
David Denham is the actor who portrays a fiancé who was dumped just as he played Roy, Pam's fiancé from "The Office" who was finally dumped by Pam after several years of engagement.
David Denman plays the fiancé who was dumped just as he played Pam's fiancé Roy in "The Office" and he was dumped by Pam.