Johnny Depp has revealed he has a "period of depression" after making a movie.

The 'Pirates of the Caribbean' star insists he doesn't take acting "seriously" but he enjoys being in character because he's a "shy person" who feels more comfortable with a different identity to hide behind.

The actor is currently touring with his band, The Hollywood Vampires, which also features Alice Cooper and Joe Perry and he admits his acting success is still a "mystery" to him as he always wanted to be a musician.

He told The Times newspaper: "I never left music. I never stopped playing. But I gained a certain amount of success in another field, which is still a mystery to me.