Eddie Redmayne is loving life as a father of two – no matter the lack of sleep involved.
The Oscar winner, 36, who reprises his role as wizard Newt Scamander in this month's Fantastic Beasts: The Crimes of Grindelwald, says life for him and wife Hannah is "really wonderful at the moment."
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"I have two little children- Iris is now 2 and a half and Luke is 8 months. So honestly, life is about trying to keep the children alive, "I say PEOPLE with a laugh. "But they're wonderful."
Redmayne also says daughter Iris is enjoying her big sister role.
"She's fantastic. There are occasional moments when Hannah and I are both out of the room and we get a glimpse of Iris entertaining Luke, "he says. "No one makes him laugh as much as she does. You can not quite believe it. Like, these humans are interacting [by themselves], so that's been pretty special. "
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Iris may also have unknowingly influenced the movements of some cute new creatures in her father's latest film, which is a sequel to 2016's Fantastic Beasts and Where to Find Them.
Hannah Bagshawe and Eddie Redmayne
Dave Benett / Getty
For much more on Eddie Redmayne and The Crimes of Grindewald, pick up the latest issue of PEOPLE on newsstands Friday.
"There was a moment last year when my family – my brother's obsessed with getting dressed up at Christmas, or New Year actually, and I have decided that Fantastic Beasts was going to be the dress code. So we got Iris dressed up as a Niffler – then a baby Niffler – and the way she behaved to Niffler was very inspiring in the next film when we actually had the baby Nifflers. She's running around, causing chaos, and so, I felt like I got really method on the baby Nifflers. "
Fantastic Beasts: The Crimes of Grindelwald opens in theaters Nov. 16.