Robert Downey Jr. pretends to be black in new film

LOS ANGELES - In 'Tropic Thunder,' one of three summer films featuring Robert Downey Jr., the actor appears on screen as a black man.

Downey Jr. plays overly committed actor Kirk Lazarus, a white man cast to play a black soldier in a satire of the performing profession. The film also stars Jack Black and Ben Stiller, who co-wrote, directed and produced it.

Patrick Swayze being treated for pancreatic cancer

LOS ANGELES - A representative for Patrick Swayze says he is being treated for pancreatic cancer but is well enough to continue working.

The 'Dirty Dancing' actor has a very limited amount of disease and appears to be responding well to treatment, according to Dr. George Fisher, Swayze's physician. The doctor's prognosis was included in a statement released Wednesday by Swayze's representative, Annett Wolf.

Rosanna Arquette to portray 'cougar' on NBC's 'Medium'

NEW YORK - It's a family affair on NBC's 'Medium.'

Rosanna Arquette will guest star on sister Patricia's spooky show this spring, making her the third Arquette sibling to make a mark on the drama, NBC and show producer CBS Paramount Network announced Wednesday.

The episode, scheduled to air April 7, features the 48-year-old Arquette as 'a beautiful, calculating 'cougar' who enjoys the challenges of bedding younger men' and pops up in the dreams of crime-fighting psychic Allison Dubois 'when her sexual escapades turn deadly,' the networks said.

Keillor puts house on market after settling dispute

ST. PAUL, Minn. - Humorist Garrison Keillor put his historic St. Paul home up for sale, a few weeks after a dispute with his neighbor over her building plans ended up in court.

The host of public radio's 'A Prairie Home Companion' is asking $1.65 million for the seven-bedroom, five-bath home, according to its listing on Realtor.com.

- From wire reports