Ed Sheeran has revealed he spent a "very intense two months" playing himself in Danny Boyle's latest movie – and performing concerts at the same time.
The as-yet-untitled film, written by Love Actually's Richard Curtis, is a "very, very original story", Sheeran said.
In it, former Eastenders actor Himesh Patel plays a singer-songwriter who wakes up one day to find out he is the only person in the world who remembers The Beatles.
Sheeran discovers him and takes him on tour.
"Then he gets much, much bigger than me through doing stuff," Sheeran said. "Yeah, it's very clever."
Discussing his part, Sheeran said he "got to actually kind of learn how to act".
In contrast, his "Game of Thrones thing" simply involved "popping in for a day and making a cameo".
This time, however, he was spending "full days on set, like full 12-hour days".
Sheeran explained: "They shot it around loads of my gigs. So it was a very intense two months, because I would have four days of gigging and then three days of shooting a film.
"I was playing myself, so I don't think I was that bad. There wasn't much to (mess) up."
The 27-year-old has also revealed he would like to make a musical for the big screen, in which "songs dictate the film in a way".
"I can't see myself playing an Avenger, you know? I don't really want to be actor," he confided.
The star features in a new documentary made by Apple Music called Songwriter, which looks at the making of his last album, Divide.
While it features a scene with his fiancee, Cherry Seaborn, it does not delve into his personal life.
Ed commented: "I give so much of myself in my songs, and there are just certain choices that I can make, that I can keep certain things private, basically.
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"And I think my home and my family and my partner – I think those are things that are very private, and they are the best things in my life.
"So I don't want to ruin them."
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