Chase 's main other major movie and television credits between 2000-2005 were Donnie Darko ( 2001 ) as Donnie 's younger sister , Samantha , and Oliver Beene ( 2003-2004 ) , as Oliver 's friend Joyce . Chase 's main other major film and TV credits between 2000 and 2005 were the cult film Donnie Darko ( 2001 ) as Donnie 's younger sister , Samantha , and Oliver Beene ( 2003 â `` 2004 ) , as Oliver 's quirky girlfriend Joyce .