gets involved with Nola Lyons, who, under Simon Elder's instructions, is prosecuting Letitia Darling. He pretends to have amnesia in order to hide from Simon Elder to help Nola save her brother. Samaire Armstrong as Juliet Darling (season 1); Jeremy's twin sister and the youngest member of the Darling family. In her 20s. she is spoiled and petulant (albeit with a heart). A former debutante, she was aiming to be taken seriously as an actress and was later devastated to learn that she only received the role of Susy Hendrix in the play "Wait Until Dark" because her father was bankrolling the production. After season 1, she leaves New York to vacation abroad with her new boyfriend. Zoe McLellan as Lisa George; The first wife of Nick George. She's an attractive art dealer with a daughter, Kiki. Lisa enjoys the frequent, lavish parties that the Darlings throw in which she is now privy to. Despite their newfound wealth, Lisa is also aware of the fact that her husband might be drifting away from her and growing closer to his old flame, Karen Darling. She begins a short-lived romantic entanglement with Jeremy Darling, which ultimately leads to the destruction of her marriage. Lisa writes a tell-all book about the Darlings, much to Nick's chagrin, but her plan backfires when she ends up looking like a bitter, money-crazed ex-wife on daytime television. Blair Underwood as Simon Elder; The world's third-richest man, thanks to his invention of a superfast computer processor, but he couldn't be more different from the Darling family. He lives very simply in a mostly empty loft, and is engaged in a continuous war with the Darlings for the ownership of the island of Manhattan. His hatred of the Darlings stems from the past. A rumour started that Simon's father was having an affair with Tripp's mother. Things escalated and resulted in Devlin George reporting them to the State Department. The result was that they had to flee to Russia, Simon was told that Russia was more "sensitive to the plight of African Americans". However, it did not work out and they ended in a Siberian Work Camp where they died. Simon incorrectly blames the Darlings for their deaths. He later embarks on a partnership with Tripp regarding a bio-fuel he supposedly developed, but was the idea of Nola Lyons' father, his old college professor. Lucy Liu as Nola Lyons