Actor McShane married his wife Humble in the liner's chapel, where they first met.
His meeting with Humble turned out to be life-changing for McShane as it was after marrying his third wife the actor opted to stop drinking.
During his 2019 sitting with Sam Jones from Off Camera with Sam Jones, the legendary English actor gave the account of the moment he decided to sideline his drinking habits.
His moment of epiphany arrived around two weeks after Christmas when he was opening all the bottles he had in his house while Humble was not at home.
He recalled watching Orson Welles starrer The Third Man when the revelation hit him.
"It's kind of something happened to me that was quite extraordinary," McShane told the host.
He further added that he has remained "always thankful for it," and remarked that his decision was driven by "higher power or something that takes over your life."
Reportedly, McShane joined Alcoholics Anonymous, an international fellowship dedicated to helping alcoholics achieve sobriety with their Twelve Steps program.