Leslie Mann debuts brunette locks as filming for new series The Power gets underway in Oxfordshire

Leslie Mann was seen on the set of Amazon’s upcoming TV series The Power for the first time in Oxfordshire on Monday morning.

The actress, 48, swapped her blonde hair for brunette locks as she tapped into the role of her character Margot Cleary-Lopez – a budding politician.

The 10-part adaptation of Naomi Alderman’s award-winning novel is based on a group of teenage girls who mysteriously develop the ability to electrocute people using their hands.

Working hard: Leslie Mann (R) was seen on the set of Amazon’s upcoming TV series The Power for the first time in Oxfordshire on Monday morning

Cutting a casual figure, the This Is 40 star teamed a khaki green jacket with grey joggers and a varsity jumper.

The mother-of-two, who shares daughters Maude, 23, and Iris, 18, with director husband Judd Apatow, rounded off her look with chunky white trainers and reading glasses.

Leslie wore her newly-dyed locks tresses loose while opting for minimal make-up on set. 

Moana star Auli’i Cravalho – who plays Leslie’s on-screen daughter Jos – was joined by actor John Leguizamo as he portrays the role of Margot’s husband Rob. 

Busy bee: The actress, 48, swapped her blonde hair for brunette locks as she tapped into the role of her character Margot Cleary-Lopez - a budding politician

Busy bee: The actress, 48, swapped her blonde hair for brunette locks as she tapped into the role of her character Margot Cleary-Lopez – a budding politician

Switching things up: The screen star wore her newly-dyed locks tresses loose while opting for minimal make-up on set

Before: Leslie was last seen with blonde hair in October 2020

Switching things up: The screen star wore her newly-dyed locks tresses loose while opting for minimal make-up on set (pictured R in October 2020)

Plot: The 10-part adaptation of Naomi Alderman's award-winning novel is based on a group of teenage girls who mysteriously develop the ability to electrocute people using their hands

Plot: The 10-part adaptation of Naomi Alderman’s award-winning novel is based on a group of teenage girls who mysteriously develop the ability to electrocute people using their hands

John Wick star John, 56, lead part of the scene in a navy robe and PJs, while fellow thespian Auliʻi, 20, styled dungarees with a turtleneck jumper.

Production for the show was initially scheduled to begin last February, but was later postponed due to the coronavirus pandemic. 

Set in an dystopian future, The Power will see young girls pass on their powers to older women, who eventually become dominant gender and end up killing some men in their path.

The streaming service previously teased that the series will follow the cast in countries such as England, Moldova, Nigeria and the US. 

Preparations: Moana star Auli’i Cravalho - who plays Leslie's on-screen daughter Jos - was joined by John Leguizamo (pictured) as he portrays the role of Margot's husband Rob

Preparations: Moana star Auli’i Cravalho – who plays Leslie’s on-screen daughter Jos – was joined by John Leguizamo (pictured) as he portrays the role of Margot’s husband Rob

Dressed down: Cutting a casual figure, the This Is 40 star teamed a khaki green jacket with grey joggers and a varsity jumper

Dressed down: Cutting a casual figure, the This Is 40 star teamed a khaki green jacket with grey joggers and a varsity jumper

On-screen family: John Wick star John, 56, lead part of the scene in a navy robe and PJs, while fellow thespian Auliʻi (centre), 20, styled dungarees with a turtleneck jumper

On-screen family: John Wick star John, 56, lead part of the scene in a navy robe and PJs, while fellow thespian Auliʻi (centre), 20, styled dungarees with a turtleneck jumper

Help: At one point, the award-winning actor reached over to hold a cast member's hand, believed to be playing one of his younger relatives

Help: At one point, the award-winning actor reached over to hold a cast member’s hand, believed to be playing one of his younger relatives

Safety comes first: Cast and crew maintained social distancing rules and sported protective face masks

Safety comes first: Cast and crew maintained social distancing rules and sported protective face masks

Shake-up: Production for the show was initially scheduled to begin last February, but was later postponed due to the coronavirus pandemic

Shake-up: Production for the show was initially scheduled to begin last February, but was later postponed due to the coronavirus pandemic

Exciting: The streaming service previously teased that the series will follow the cast in countries such as England, Moldova, Nigeria and the US

Exciting: The streaming service previously teased that the series will follow the cast in countries such as England, Moldova, Nigeria and the US

Author Naomi previously shared her delight over the big move as she told Deadline: ‘I’m thrilled beyond words that The Power will be broadcast around the world by Amazon.

‘The story is a global one, about the lives of women and men everywhere in the world.

‘I’m hugely excited that The Power will be sparking conversation and debate essentially… everywhere. We’re going to make something revolutionary and, dare I say it, electrifying.’

The writer – who is yet to reveal when The Power will air – is executively producing the programme alongside Sister Pictures’ Jane Featherstone and Naomi de Pear, as well as The Handmaid’s Tale director Reed Morano. 

Creating a secluded atmosphere: Scenes were set in a massive home which sat on a lake

Creating a secluded atmosphere: Scenes were set in a massive home which sat on a lake