Michaela Zee Amber Riley, who starred as Mercedes in “Glee,” revealed on the “And That’s What You Really Missed” podcast that she refused to film a sex scene with Chord Overstreet’s character Sam. “I told [‘Glee’ co-creator] Brad [Falchuk], ‘Absolutely not,’” Riley shared with her former co-stars and podcast hosts Jenna Ushkowitz and Kevin McHale. “He gave me the blue pages or whatever.