High Quality Content by WIKIPEDIA articles! Riley Finn is a fictional character created by Joss Whedon for the television series Buffy the Vampire Slayer. Portrayed by Marc Blucas, Riley was introduced in the 1999 season four premiere episode, "The Freshman", and Blucas was part of the series credited cast for the second part of season four and the first part of season five. Most notably, Riley is one of three long-term romantic interests for series` heroine Buffy Summers (Sarah Michelle Gellar).