British film and TV actress Joely Richardson has joined the cast of the drama series, The Tudors, for its fourth and final season, Showtime announced.

Joely Richardson has returned to the London set of her TV remake of The Day of the Triffids just days after burying her late sister Natasha Richardson. British-born actress Natasha Richardson died last week after suffering a head injury during a skiing accident.

Natasha Richardson's family donated the organs of the beloved British-born actress following her death last week, a source told People magazine. The film and stage star died in a New York hospital last Wednesday at the age of 45 following a skiing accident in which she sustained a fatal head injury. People.com said Richardson's family requested that after she was removed from life support her organs be given to patients who need them The Web site quoted a source close to the family as saying organ donation is very Natasha.

A private funeral was held Sunday in upstate New York for British-born film and stage actress Natasha Richardson, who died last week after a skiing accident.

British actress Vanessa Redgrave sang the song Edelweiss to her dying daughter Natasha Richardson, The Daily Telegraph reported Friday. Richardson died Wednesday in a New York hospital at the age of 45.