Actor Eddie Redmayne caused havoc at customs with his wand.

The "Fantastic Beasts and Where To Find Them" star was forced to explain to border officers why he was carrying a "really sharp, scary object" in his luggage, which turned out to be the prop from the fantasy film, reports femalefirst.co.uk.

"I brought it because I felt like it would be reassuring to have Newt's wand," Redmayne said at AOL HQ in New York for live interview series BUILD Series.

"But then we were coming through customs and I suddenly realise that a wand looks like a really sharp, scary object and then to try and explain it to a customs person, I was like, 'Have you seen the ... No?' That was a bit disastrous," he added.

The 34-year-old actor now feels he cannot use a briefcase in real life as he doesn't want people to think he is copying his character, magizoologist Newt Scamander.

"This is a case I use in life and now when I'm traveling I'm like, 'Do I take the case with me?," Redmayne said.

"Because now people are going to think, 'Oh you were cast as Newt Scamander who has a case and now you walk around with a case'," he added.