His death was first divulged byTitanicactressFrances Fisher.
Late last night she posted of his passing, writing simply: Rest in power, Jon.
Right(1987).

Jon LandauGetty Images
It was at Fox that Landau began his professional relationship with Cameron onTrue Lies(1994).
I think Jim was a little skeptical.
He said, So I understand were gonna get to be pretty good friends.

(L-R) Jon Landau and James Cameron display the cement on their hands at their hand and footprint ceremony on January 12, 2023 at TCL Chinese theatre in HollywoodFrederic J. Brown/AFP via Getty Images
Or maybe not,' he told Deadlines Pete Hammond on Behind the Lens with a laugh.
We did that sort of as a one-off, Landau recalled of joining Lightstorm.
And that worked, the relationship worked, and I think we built it up.
He produced great films, not by wielding power but by spreading warmth and the joy of making cinema.
He inspired us all to be and to bring our best, every day.
I have lost a dear friend, and my closest collaborator of 31 years.
A part of myself has been torn away.
The stars ofTitanicandAvataralso mourned the late producer.
Jon Landau was the kindest and best of men,TitanicandAvatar: The Way of Waters Kate Winsletsaid.
His legacy and leadership will live on forever.
Avatarfranchise star Sam Worthingtonechoed Winslet and DiCaprios sentiment.
Jon was all heart, he said.
He made everything and everyone he touched feel they could be better.
He led with humor and strength, compassion and kindness.
Landau is brother toStar Trekdirector Les Landau, Broadway director Tina Landau and Symphony Space executive director Kathy Landau.
He is survived by his wife of almost 40 years Julie and their sons Jamie and Jodie.
Tinapaid tribute to her late brotherwith a statement on X.
The best brother a girl could ever dream of- my brother Jon has passed away.
His remarkable contributions to the film industry have left an indelible mark, and he will be profoundly missed.
Jon was not only a monumental figure in the film industry but also a cherished collaborator and friend.
Glenn Garner and Nellie Andreeva contributed to this report.