one and season two. Alicia later breaks up with Keith after he tried to investigate her past with Wallace's biological father. Kane family Jake Kane Kyle Secor recurs as Jake Kane, Lilly and Duncan's father, a software billionaire. He is Lianne Mars' sweetheart in high school and was having an affair with her at the start of season one. Jake invented streaming video, making him one of the most influential men in Neptune, California via his software company, Kane Software. When Veronica interviews Abel Koontz, he suggests that Veronica is Jake's biological daughter rather than Keith's because Jake and Lianne once dated while in high school. Keith later has a paternity test and is proved to be Veronica's biological father. Jake returns in the series finale as a member of the secret society "The Castle." Celeste Kane Lisa Thornhill plays Celeste Kane, Lilly and Duncan's mother. Celeste loathed Veronica because of her husband's affair with Veronica's mother. She disapproved of Veronica and Duncan's relationship and told Duncan that Veronica could have been his half-sister because of Jake's affair with Lianne. This caused Duncan to break up with Veronica. Before Lilly died, Celeste had shown resentment towards her daughters' way of life and blamed every problem her family faced on Lilly. In "Donut Run", her last appearance, she hired Vinnie Van Lowe to find Duncan. Lilly Kane Amanda Seyfried portrays Lilly Kane, Duncan's older sister, Veronica's best friend, and Logan's girlfriend. Lilly was the daughter of Jake and Celeste Kane. She was murdered on October 3, 2003 – roughly eleven months before the show's first episode. Abel Koontz, a disgruntled employee, fired from Jake's firm, confessed to the crime and was awaiting execution. Lilly is seen on the show throughout a series of flashbacks and Veronica's daydreams, which portray her as a fun, wild, and stylish teenage girl. She was best friend to Veronica, who was dating Lilly's brother, Duncan. Before her death, Lilly had been dating Logan but had also been in a relationship with Eli "Weevil" Navarro, as Lilly did not like to be tied down. Lilly's murder changes Veronica's life completely, being the catalyst for a series of events that include Veronica's father Keith losing his job, Veronica's mother Lianne leaving town, and all of Veronica's friends abandoning her. Through the first season, Veronica investigates Lilly's murder and finds that nothing is what it seems. All three of