Primarily a small-screen player, this native Australian reportedly arrived in Los Angeles as a teen clutching a copy of How to Make It in Hollywood under her arm. After a handful of bit parts, Montgomery landed a plum role on the critically lauded TV drama Relativity in 1996. Unfortunately the show was canceled after its freshman year. Slowly, this pretty actress made a name for herself with starring roles in short-lived series and a succession of parts in TV-movies, notably her turn as Marilyn Monroe in the miniseries Blonde. Her role as an FBI agent on Without a Trace was what earned her wide exposure.