"I'm a man of certain age who's come to enjoy yoga. I came to it later in life, but lately, its a necessary thing," Branagh told People Magazine.
"I love walking my dog. I have a little Jack Russell who runs my life. I talk to him; I train him," he added.
Branagh, who portrays Detective Hercule Poirot in the new film adaptation of the Agatha Christie's 1943 novel "Murder on the Orient Express", also said that it took him six months to get his moustache into an ideal shape for his character.