'Heartbroken' Yellowstone star pays powerful tribute to Graham Greene after death aged 73
A Yellowstone favourite has paid tribute to beloved friend and co-star Graham Greene
Yellowstone star Gil Birmingham has been left "heartbroken" by the passing of legendary actor Graham Greene, who died on Sunday afternoon following a 50-year career in film and television.
While they never appeared together in the popular Western series, both featured in the Yellowstone universe, with Birmingham playing Thomas Rainwater in the mainline drama and Greene making a guest appearance as Spotted Eagle in 1883.
Greene also had a cameo role in Yellowstone creator Taylor Sheridan's Sylvester Stallone-fronted crime series Tulsa King and appeared alongside Birmingham in the Twilight Saga.
Nevertheless, he was perhaps most recognised for his Academy Award-nominated role in Dances With Wolves, the historical drama helmed by and featuring Yellowstone lead Kevin Costner.
Birmingham honoured Greene following his death at 73 with a heartfelt Instagram post, reports the Express.
He posted a photograph of them both from Wind River, the 2017 thriller set on a Native American Reservation directed by Sheridan and featuring Jeremy Renner and Elizabeth Olsen.
"My heart is broken," he confessed in the moving tribute.
"We have lost a man of incredible talent who made a positive impact on Native representation in film, inspiring a new generation of Native actors.
"His great heart was only matched by his wickedly funny sense of humor. My prayers are with his family and friends. Journey on, Graham, R.I.P. #GrahamGreene."
The cause of death has not yet been disclosed, with his agent simply stating that he passed away in a Toronto hospital over the weekend.
It's understood that Greene had been ill for some time and his manager Gerry Jordan confirmed that he died "peacefully".

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Numerous fans have taken to Birmingham's heartfelt post to share their own tributes.
"I am so sorry you lost your beloved friend. What a talent," one user responded.
Another said: "Im heartbroken! I was just watching Wind River the other week. Canada is mourning a legend right now."
"Loved him in everything he did!" another fan wrote. "Very sorry for the loss of your very special friend, and world-renowned great #GrahamGreene A very sad day indeed! Godspeed to his Great Spirit!"
And a final comment read: "Graham Greene could play any role with excellence and that's what made him such a great actor. I'll miss him terribly."
Yellowstone can be streamed on Paramount+.