Paul Dano is a dead ringer for a young Brian Wilson, the Beach Boys’ lead songwriter and the mind behind some of the ’60s best pop music. John Cusack bears less resemblance to an older, emotionally shattered Wilson, trying to put his life back together after a decades-long mental breakdown fueled by heavy drug use and discord among his band. Regardless, together the two actors portray a musical icon as his best and worst in Love & Mercy, producer-turned-director Bill Pohlad’s long-awaited biopic.