Fantasy Character

Small question - who was the person sitting to Loras's left at the trial? They kept cutting to the Tyrells and it was from screen L to R: Margaery, Loras, Some Other Dude.

I apologize to the mods; I tried starting a thread (possibly in the wrong episode forum) but realized this would be a fine place to put my Littlefinger rant: What is Littlefinger's shifty-eyed, foot-shuffling deal? Isn't he supposed to be a mastermind of manipulation? Things are falling right into place for him, and he's basically staring at the ground and walls during his scene with Lysa and going, "Er, um, YES my dear, I'm totally marrying you willingly. It's not just for political gain! And I'm certainly not obsessed with your niece." I do not understand the choices made in portraying him this way in this scene. With that sort of body language, who would believe anything he said to her/him, ever? I don't think non-book readers need to be reminded of Littlefinger's creepy Sansa obsession from last episode or that he was in love with Catelyn. Do we really need it hammered home every episode that he's a moustache-twirling villain? It pulls me right out of the show when I watch it.