“I think they [Leta and Newt] were probably still quite close even when Newt goes to America, which is why I think it’s such a jarring thing to come home and find I’m engaged to Theseus. We’ve all known each other for a really long…

“I saw an early version of the script in which the young guys [Newt & Theseus] – the flashback when they were at Hogwarts together. He [Theseus] came like, flying past the window on a quidditch broomstick, and he was clearly like a schoolboy sporting…

“I play Theseus Scamander, Newt’s older brother. He’s risen through the ranks of the establishment insanely quickly and he’s the Head Auror. And he’s trying to save the world in the way that he thinks best, which is through the establishment, through laws. And he’s…

“She [JK Rowling] had thought he [Theseus] might be a little harder, and then when he [Callum] came in with so much compassion and his interpretation of that role was so complete, that apparently she adjusted some things for that.” Source: YouTube

“I think it’s [Theseus and Newt’s relationship] born out of love. Theseus is the complete opposite to Newt – he’s the Head Auror at the Ministry of Magic, he’s an establishment man, he’s risen through the ranks very quickly. Newt’s completely different, he’s Nomadic, he’s…

An interesting relationship with Newt. You’re his brother and about to marry someone he was in love with. This is complicated: “It is complicated but I think that the important thing to realise is that it wasn’t a full relationship. It was a companionship at…

“Jo’s very smart, the way she writes. We don’t have to constantly be talking about the love triangle but you know the history and that makes everything a little bit more electric in the scenes when we’re all together.” Source: YouTube

“I guess from Theseus’ point of view, it [Newt & Leta’s history] wasn’t as big of a deal as it’s being made out in the press. There’s something there, but as long as it’s done, it’s my brother and it’s all clear, I think he’s…

“How Jo had written Callum’s character in this film, versus how he’s mined that material, I think has changed her opinion of where she might take him. And that’s so exciting for us . . . it’s lovely to feel like you’re an active part…

“Talking to Jo, how Jo had written Callum’s character in this film, versus how he’s mined that material, I think has changed her opinion of where she might take him. And that’s so exciting for us, when she has a plan of what the big…