Heath Ledger's father reveals the last thing his son told the family

Heath Ledger's Father Reveals the Last Thing His Son Told the Family

"Katie, Katie I'll be fine," were actor Heath Ledger's last words, according to his father, Kim.

Kim Ledger revealed the his son's final conversation with his family to Australian news website, news.com.au.

Heath's sister Katie apparently told him not to mix prescriptions, saying, "You can't mix drugs that you don't know anything about."

The next night, Ledger's body was found in his apartment in New York City. He was 28 and a celebrated actor with the promise of even more success.

Heath Ledger through the years:

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Heath Ledger through the years
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Heath Ledger through the years
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According to a toxicology report, Ledger died from a combination of prescription drugs. The medical examiner ruled his death accidental.

Kim told news.com.au his son wasn't an addict but just made a mistake mixing drugs.

Ledger's work and travel schedule reportedly put a lot of stress on him. Kim said: "He was a young guy that traveled all the time for work. ... He was trying to work and travel and do everything in a short space of time."

Since his son's death, Kim has been trying to raise awareness about the dangers of prescription drugs.

Ledger left behind a then 2-year-old daughter, Matilda, he had with actress Michelle Williams.

Photos of Ledger, Williams and Matilda:

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Heath Ledger, Michelle Williams and daughter Matilda
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Heath Ledger, Michelle Williams and daughter Matilda
Actor Michelle Williams (L) dances on the red carpet with her fiance Heath Ledger (R), nominated as best actor for the film "Brokeback Mountain" at the 78th annual Academy Awards at the Kodak Theatre in Hollywood, California March 5, 2006. Williams is wearing a dress designed by Vera Wang and Ledger is wearing a Dunhill tuxedo. REUTERS/Lucy Nicholson FOR BEST QUALITY IMAGE: ALSO SEE GM1E62O09V301
Heath Ledger and Michelle Williams at the "Vanity Fair" OscarS Party. (West Hollywood, CA)
Michelle Williams and Heath Ledger arrive on the red carpet. (Photo by Yui Mok - PA Images/PA Images via Getty Images)
Michelle Williams, nominee Best Actress in a Supporting Role for 'Brokeback Mountain' and Heath Ledger, nominee Best Actor in a Leading Role for 'Brokeback Mountain' (Photo by Jeff Kravitz/FilmMagic, Inc)
Michelle Williams, nominee Best Female Lead for Land of Plenty, and Heath Ledger (Photo by Ron Galella, Ltd./WireImage)
NEW YORK - OCTOBER 27: (L-R) Matilda Ledger and Michelle Williams are seen on October 27, 2009 in the Brooklyn borough of New York City. (Photo by Christopher Peterson/BuzzFoto/FilmMagic)
SYDNEY, AUSTRALIA - JANUARY 03: *** EXCLUSIVE*** Actor Heath Ledger with actress girlfriend Michelle Williams in Bondi Beach January 3, 2005 in Sydney, Australia. The pair were living in Australia and enjoyed a rare public display of their romance while overlooking cliffs in Bondi Beach, (Photo by Photonews International Inc./Getty Images)
BROOKLYN - MAY 23: (L-R) Michelle Williams and Matilda Ledger sighting on May 23, 2009 in Brooklyn, New York. (Photo by Christopher Peterson/BuzzFoto/FilmMagic)
NEW YORK - OCTOBER 27: (L-R) Matilda Ledger and Michelle Williams are seen on October 27, 2009 in the Brooklyn borough of New York City. (Photo by Christopher Peterson/BuzzFoto/FilmMagic)
SYDNEY, AUSTRALIA - JANUARY 22: Actor Heath Ledger and Michelle Williams attend the Australian Premier of Brokeback mountain at the Cinema Paris on the 13 January 2006 in Sydney, Australia. The Australian actor was found dead on his hotel floor in New York on January 22, 2008. (Photo by Mike Flokis/Getty Images)
Michelle Williams and her fiance Australian actor Heath Ledger arrive at the Independent Spirit Awards in Santa Monica March 4, 2006. Ledger is nominated for Best Male Lead and Williams is nominated for Best Supporting Female in the film "Brokeback Mountain". REUTERS/Fred Prouser
Actor Heath Ledger (L) speaks to actress Michelle Williams as they arrive at the 58th Annual Directors Guild Awards in Century City, California January 28, 2006. REUTERS/Fred Prouser
Oscar nominated actor in a leading role Heath Ledger, for his role in "Brokeback Mountain", and his co-star and fiance Oscar nominated actress in a supporting role Michelle Williams, attend the 78th annual Academy Awards nominees luncheon in Beverly Hills February 13, 2006. The Academy Awards will be given out in Hollywood on March 5. REUTERS/Mario Anzuoni
Michelle Williams and Heath Ledger during The 63rd Annual Golden Globe Awards - Arrivals at Beverly Hilton Hotel in Beverly Hills, California, United States. (Photo by SGranitz/WireImage)
Michelle Williams and Heath Ledger (Photo by Dimitrios Kambouris/WireImage for IFP)
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