Watch: Colin Firth Dreams of 'Mamma Mia 3' – Could It Happen?

Colin Firth suggested he would would jump at the chance to make another "Mamma Mia" movie in remarks he made on "Good Morning America," IndieWire reported. It might not be out of the realm of possibility.

"I think it could happen," Firth, who currently stars in the HBO Max true crime limited series "The Staircase," mused in a May 5 appearance on the talk show. "If you manage to make a second one, I guess you can make a third, a fourth, and a fifth. It was already a miracle."

If the call came for casting on "Mamma Mia 3," Firth said, he'd be there: "I would do it just to see my friends again on some beautiful island." His character, portrayed as gay, might even get a proper love story, as Vanity Fair has speculated.

The first film, released in 2008 and based on the 1999 stage musical, is a jukebox musical drawn from the works of Abba. In the film, Amanda Seyfried's character, Sophie, is about to get married to Sky (Dominic Cooper); her mother Donna, played by Meryl Streep, doesn't know which of three men might be Sophie's father, so Sophie secretly invites all three of them. Firth played one of the potential dads; Pierce Brosnan and Stellan Skarsgård played the other two.

The cast reunited for the 2018 sequel, "Mamma Mia! Here We Go Again," which used flashbacks to fill in more of Donna's backstory while, in the present day, Sophie prepared for a grand reopening of her (now late) mother's hotel. The sequel, which used more songs from Abba's canon, also brought Cher into the cast to play Sophie's grandmother.

Firth gave props to the group's music, saying,"There's something about ABBA," and positing that the band's work "links us all anyway because everybody knows it, so I think there's a magic to that."

Firth isn't the only one who would welcome another sequel. Seyfried, in an interview with Variety, also expressed enthusiasm for the idea, saying, "I hope we do another one, but you know, no one's talking to me. I know if you ask any of the others they'll be like, 'Sure, but it's not going to happen.' But then that's what we said about the second one, and it was better than the first one!"

Fans hoping for a new film to materialize would probably be disappointed if it were only a matter of actors discussing theoreticals, but, IndieWire recalled, Judy Craymer – who produced the first film and contributed the sequel's screenplay – "previously told Vulture that it was always the idea to do a trilogy."

"There's ideas and there's thoughts, and ABBA has written more songs," Craymer told Vulture last month. "I just have to get a move when I'm ready."

Craymer had voiced similar thoughts as long ago as 2020, when she told UK newspaper the Daily Mail, "I was meant to have been getting on with that, in my head, during these months. But then I got hit with COVID fog."

"I think one day there will be another film, because there's meant to be a trilogy, you see," the producer added. "I know Universal would like me to do it."

Watch Colin Firth's comments, embedded in the tweet below.