for uncovering the voting scam that led to Duncan winning the school elections illegally. Ms. Dent left her job after becoming pregnant. Although she was given regular series billing, Poitier appeared in only four episodes but was given credit for seven. Poitier's removal from the series was rumored to be due to budget issues. Jackie Cook Tessa Thompson portrayed Jackie Cook in the second season as Wallace's romantic interest and the daughter of a famous baseball player. Fan reaction to the character was generally negative, particularly after Veronica witnessed Jackie talking to a guy while dating Wallace. Thomas blamed the character's reception on his error in judgment: he had hoped fans would question whether it was Jackie or Veronica in the wrong; however, the audience automatically assumed that it was Jackie. Thomas decided not to change the story arc he had planned for Jackie, as he believed Thompson was "a fantastic actress and she's got more to play." He said that whether fans ended up liking Jackie was "up in the air", but he hoped that they did because "she's really, really good". Jackie was subsequently written out of the series at the end of the second season. Dick Casablancas Ryan Hansen portrayed Richard "Dick" Casablancas Jr., an 09er friend of Logan, a womanizer and former high-school bully turned frat boy. Dick was a recurring character in the first season but was upgraded to series regular in the second season. Beaver Casablancas Kyle Gallner acted as Cassidy "Beaver" Casablancas, Dick's introverted younger brother. Cassidy was a recurring character in the first season, but was upgraded to series regular in the second season. Mac Tina Majorino portrayed Cindy "Mac" Mackenzie, a computer expert befriended by Veronica. Mac was a recurring character in the first two seasons but was upgraded to series regular in the third. Parker Lee Julie Gonzalo portrayed Parker Lee, Mac's extroverted roommate at Hearst College, described by Thomas as "everything that Mac is not." Parker was introduced in the third season as a series regular. Piz Chris Lowell played Stosh "Piz" Piznarski, Wallace's roommate at Hearst College and a music lover with his campus radio show. Piz was introduced in the third season as a series regular and was named after the director of the pilot, Mark Piznarski. The character's role was to have another male friend for Veronica, middle-class and not upper-class. Thomas used the radio show