William Powell

Was in a relationship with Jean Harlow for two years before her death and paid for her funeral, costing $30,000. For many years he made sure fresh flowers were always present at her grave.
In 1938, he was diagnosed with cancer of the rectum. Rather than undergo a colostomy, he agreed to an experimental treatment where platinum needles containing radium pellets were inserted into his body, where they remained for six months, by which time his cancer had gone into remission. It was many years before he publicly revealed he had had cancer. At the time of his illness and recovery, his agent explained his absence to the press first by saying he was recuperating from an eye injury, and later that he had undergone a routine abdominal operation.
Although he and Carole Lombard divorced in 1933, they remained close friends until her death in 1942.
His son stabbed himself to death while taking a shower. He left a four-page good-bye letter to his father, with whom he was very close.
Had difficulties retaining his lines during the filming of Mister Roberts (1955), something that had not happened to him in earlier films; this was one of the reasons why this was his final film appearance. Frail health, including bouts with cancer, plus a difficult Hawaii location shoot ultimately led to his retirement decision.

[when asked how he kept so slim] "I highly recommend worrying. It's much more effective than dieting."
[speaking in 1929] "Unfortunately, or perhaps it is fortunate that I have always been forced to stand on my acting ability. I haven't a personality such as Jack Gilbert's, for instance, that attracts women and makes them like me for myself. When I am on the screen I must make them forget me entirely and think only of my acting."
My friends have stood by me marvelously in the ups and downs of my career. I don't believe there is anything more worthwhile in life than friendship. Friendship is a far better thing than love, as it is commonly accepted.
I do not hold that because the author did a bad job of writing the player need trump it with the same kind of acting. When I go into a picture I have only one character to look after. If the author didn't do him justice, I try to add whatever the creator of the part overlooked.
I have never gone into a picture without first studying my characterization from all angles. I make a study of the fellow's life and try to learn everything about him, including the conditions under which he came into this world, his parentage, his environment, his social status, and the things in which he is interested. Then I attempt to get his mental attitude as much as possible.