But when the movie was released in 2003, Brodie-Sangster, now 29, was 13 years old — and Knightley, now 34, was just 18, making them much closer in age than they may appear to viewers.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

Keira Knightley and Thomas Brodie-Sangster

Other users pointed out various age differences in the movie, like the fact that Lincoln, now 46, was 30 at the time the movie came out, while Chiwetel Ejiofor, who played Juliet’s husband Peter, was 26.

“I went down theLove Actuallyrabbit hole and found this out last night!”one response read, regarding Knightley and Brodie-Sangster. “Also found out thatHugh Grantwas 16 years older thanMartine McCutcheon,Colin Firthwas 16 years older than Lucia Moniz, andLaura Linneywas 11 years older thanRodrigo Santoro.”

Snap Stills/Rex/REX USA

Snap Stills/Rex/REX USA

Thomas Brodie-Sangster (L) and Liam Neeson inLove Actually.UNIVERSAL PICTURES/ Everett

Love Actually.

RELATED VIDEO:Love Actually‘s Rodrigo Santoro Reacts to Laura Linney Saying He Was the “Best Kiss Ever”

Aside from Knightley and Brodie-Sangster, their aforementioned costars and a slew of cameos from famous faces likeDenise Richards,Billy Bob Thornton,January Jones,Shannon ElizabethandRowan Atkinson,Love Actuallyalso starsAlan Rickman,Emma Thompson, Bill Nighy, Olivia Olson,Martin Freeman, Kris Marshall, andLiam Neeson, who plays Sam’s stepfather.

“I don’t knowwhyLove Actuallyis still so popular,” Grant, who played the Prime Minister in the film, revealed last year, according toBang Showbiz— but he admitted it’s “nice” that “everyone watches it at Christmas.”

The veteran actor, 59, went on to reflect on the fan-favorite scenewhere his character dances alongat his Downing Street residence to the Pointer Sisters’ “Jump (For My Love).”

“I suspect that was the most excruciating scene ever committed,” Grant remarked. “It wasn’t easy for an Englishman in his 40s to do at 7 in the morning, stone-cold sober.”

source: people.com