houses. House also used him to dig up info about Foreman, but could not find anything interesting. Michael Weston reprises the role of Lucas during season six in the episode "Known Unknowns". Lucas had begun dating Cuddy. In the season 6 finale, Cuddy breaks off her engagement with him and ends their relationship so that she can be with House. Rachel Taub Rachel Taub (Jennifer Crystal Foley) is Chris Taub's wife and has appeared in several episodes, mostly dealing with her husband's infidelity. She reveals to Chris that she is pregnant in the seventh season. In season eight, she wants to move across country with her new boyfriend and her and Taub's daughter, but Taub tries to stop them. Sam Carr Sam Carr (Cynthia Watros) is Wilson's first wife, whom he starts dating again in season six. They break up in season seven. Dominika Petrova Dominika Petrova (Karolina Wydra) and House get married so that she can be allowed to live in the U.S. Dominika first appeared in the season 7 episode "Fall from Grace", where in an effort to make Lisa Cuddy jealous, House announces that he will be marrying Dominika, in order for her to get her green card. Their marriage ceremony takes place in House's apartment, with James Wilson and Lisa Cuddy as witnesses. Although this ceremony causes Cuddy to break down, their ceremony is a success, prompting Dominika to reveal to House that she actually does like him, to which House replies that he doesn't sleep with married women. Dominika is not seen for almost a season; however, she returns in season 8's "Man of the House", due to her upcoming marriage status interview. In order to successfully appear to be a married couple, House and Dominika spend more time together, learning information about each other's lives. Although they are successful, a slip-up involving Wilson results in their getting caught. However, they make a deal resulting in Dominika being legally obligated to live in House's apartment. For the next four episodes, House and Dominika grow close and it appears that both of them share some level of romantic affection for one another. Dominika aids House in his efforts to find out more information about his favorite prostitute in "We Need the Eggs" and their relationship only grows stronger, leading House to throw away the letter informing her that she has been approved for U.S. citizenship. In