LOS ANGELES (AP) -- Rumer Willis says she was daunted by the prospect of acting opposite Oscar-winner Angelica Huston on the TV series "Medium."

But Willis says the veteran actress was "very sweet and helpful" while filming the episode, which airs Monday on ABC.

Willis guest stars as a troubled young woman who has fallen into drugs and prostitution. Series star Patricia Arquette directed the episode.

"Medium" holds a family connection for Rumer Willis: Glenn Gordon Caron, the show's executive producer, gave her father Bruce Willis his big break on the TV series "Moonlighting" in the 1980s.