Arbitrage Review By: MattInRC Arbitrage is a thriller that ignores convention with an ending that might surprise you in its arrogance. On the surface, hedge fund Robert Miller ( Richard Gere , The Double) appears to have it all. He's the king of finance, having been richly rewarded for his investment schemes and the center of attention during a CNBC interview; and, he is a happily-married father, celebrating his 60th birthday surrounded by wife Ellen ( Susan Sarandon , Thelma and Louise) and daughter Brooke ( Brit Marling , Another Earth) . But, hidden underneath that thick facade are some painful realities: he's desperate to sell the company before both his clients and the FTC realize that he's lost millions of dollars, and even his marriage is a sham, furthered by his ongoing affair with a struggling French artist (newcomer Laetitia Casta ) whom he supports. When Miller and girlfriend are involved in a fatal car accident, he calls an unlikely source, the son o