Kathryn Newton and Paul Rudd in 2023.Photo:Jeff Spicer/GettyKathryn Newtonis recalling the best advice she’s ever received from an industry veteran and mentor.“Paul Ruddtold me not to hold back when I startedAnt-Man,” says Newton, who joined the Marvel Cinematic Universe in 2023’sAnt-Man and the Wasp: Quantumania.“I think that’s just good advice for anybody with whatever you do in life, whatever your job might be,” the actress, 26, tells PEOPLE exclusively. “Put your best foot forward every day and don’t hold back.”It’s especially true in the world of showbiz, she adds, “because these things happen really fast.”Newton, an avidgolfer as well as actor, broke out in 2012’sParanormal Activity 4after appearing as a child actor on the soap operaAll My Children. She’s played key roles inBig Little Lies, Pokémon Detective Pikachu, The Societyand nowZelda WilliamsandDiablo Cody’s “zom-com”Lisa Frankenstein(in theaters Friday).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.(Left-right): Paul Rudd, Kathryn Newton and Evangeline Lilly in “Ant-Man and the Wasp: Quantumania”.Marvel StudiosReese Witherspoon, who played her mother on the two-season run of HBO’sBig Little Lies, was another mentor and “such a brilliant actress,” says Newton. “You just have to watch her and you’re reacting. And I think the dynamic with her andJean-Marc Valléereally helped me be grounded.”Working with filmmaker Vallée, who died in 2021, taught Newton “what it meant to be a real actor,” she adds. “I never knew where the camera was. Jean-Marc shoots 360 [degrees], so I was always just in it with Reese, and you never felt like you were on camera. It’s different when you’re aware of the camera, it definitely becomes a character in the scene. But in that space, it was more just really forgetting that you were shooting a show at all.”When asked about the possibility of aBig Little Liesseason 3, Newton shrugs. “People keep bringing it up to me. That’s all I know!”(Left to right:) Cole Sprouse, Zelda Williams, Kathryn Newton, Diablo Cody and Liza Soberano at the Los Angeles special screening of “Lisa Frankenstein” Feb. 5.Alberto Rodriguez/GettyAs for more appearances in theMCU, that’s “the most top-secret,” says the actress, who played Cassie Lang, daughter of Rudd’s Scott Lang.QuantumaniacostarredEvangeline Lilly,Jonathan Majors,Michelle PfeifferandMichael Douglas.“I wish I could tell you, but obviously everything’s always a secret these days,” quips Newton with a laugh. “You just can’t even mumble the word Marvel!”Lisa Frankensteinalso starsCole Sprouse, Liza Soberano, Henry Eikenberry, Joe Chrest andCarla Gugino. For Newton, all her costars as well as Williams and Cody have joined her growing list of fellow artists from whom she’s learned plenty.“Everybody changes me,” she says when asked what she’ll take away from leading the film. “You meet one person and they change your life, even if it’s a little bit. I think working with Cole and Zelda changed my life. This movie definitely has changed me.”Lisa Frankensteinopens in theaters Friday.
Kathryn Newton and Paul Rudd in 2023.Photo:Jeff Spicer/Getty

Jeff Spicer/Getty
Kathryn Newtonis recalling the best advice she’s ever received from an industry veteran and mentor.“Paul Ruddtold me not to hold back when I startedAnt-Man,” says Newton, who joined the Marvel Cinematic Universe in 2023’sAnt-Man and the Wasp: Quantumania.“I think that’s just good advice for anybody with whatever you do in life, whatever your job might be,” the actress, 26, tells PEOPLE exclusively. “Put your best foot forward every day and don’t hold back.”It’s especially true in the world of showbiz, she adds, “because these things happen really fast.”Newton, an avidgolfer as well as actor, broke out in 2012’sParanormal Activity 4after appearing as a child actor on the soap operaAll My Children. She’s played key roles inBig Little Lies, Pokémon Detective Pikachu, The Societyand nowZelda WilliamsandDiablo Cody’s “zom-com”Lisa Frankenstein(in theaters Friday).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.(Left-right): Paul Rudd, Kathryn Newton and Evangeline Lilly in “Ant-Man and the Wasp: Quantumania”.Marvel StudiosReese Witherspoon, who played her mother on the two-season run of HBO’sBig Little Lies, was another mentor and “such a brilliant actress,” says Newton. “You just have to watch her and you’re reacting. And I think the dynamic with her andJean-Marc Valléereally helped me be grounded.”Working with filmmaker Vallée, who died in 2021, taught Newton “what it meant to be a real actor,” she adds. “I never knew where the camera was. Jean-Marc shoots 360 [degrees], so I was always just in it with Reese, and you never felt like you were on camera. It’s different when you’re aware of the camera, it definitely becomes a character in the scene. But in that space, it was more just really forgetting that you were shooting a show at all.”When asked about the possibility of aBig Little Liesseason 3, Newton shrugs. “People keep bringing it up to me. That’s all I know!”(Left to right:) Cole Sprouse, Zelda Williams, Kathryn Newton, Diablo Cody and Liza Soberano at the Los Angeles special screening of “Lisa Frankenstein” Feb. 5.Alberto Rodriguez/GettyAs for more appearances in theMCU, that’s “the most top-secret,” says the actress, who played Cassie Lang, daughter of Rudd’s Scott Lang.QuantumaniacostarredEvangeline Lilly,Jonathan Majors,Michelle PfeifferandMichael Douglas.“I wish I could tell you, but obviously everything’s always a secret these days,” quips Newton with a laugh. “You just can’t even mumble the word Marvel!”Lisa Frankensteinalso starsCole Sprouse, Liza Soberano, Henry Eikenberry, Joe Chrest andCarla Gugino. For Newton, all her costars as well as Williams and Cody have joined her growing list of fellow artists from whom she’s learned plenty.“Everybody changes me,” she says when asked what she’ll take away from leading the film. “You meet one person and they change your life, even if it’s a little bit. I think working with Cole and Zelda changed my life. This movie definitely has changed me.”Lisa Frankensteinopens in theaters Friday.
Kathryn Newtonis recalling the best advice she’s ever received from an industry veteran and mentor.
“Paul Ruddtold me not to hold back when I startedAnt-Man,” says Newton, who joined the Marvel Cinematic Universe in 2023’sAnt-Man and the Wasp: Quantumania.
“I think that’s just good advice for anybody with whatever you do in life, whatever your job might be,” the actress, 26, tells PEOPLE exclusively. “Put your best foot forward every day and don’t hold back.”
It’s especially true in the world of showbiz, she adds, “because these things happen really fast.”
Newton, an avidgolfer as well as actor, broke out in 2012’sParanormal Activity 4after appearing as a child actor on the soap operaAll My Children. She’s played key roles inBig Little Lies, Pokémon Detective Pikachu, The Societyand nowZelda WilliamsandDiablo Cody’s “zom-com”Lisa Frankenstein(in theaters Friday).
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.
(Left-right): Paul Rudd, Kathryn Newton and Evangeline Lilly in “Ant-Man and the Wasp: Quantumania”.Marvel Studios

Reese Witherspoon, who played her mother on the two-season run of HBO’sBig Little Lies, was another mentor and “such a brilliant actress,” says Newton. “You just have to watch her and you’re reacting. And I think the dynamic with her andJean-Marc Valléereally helped me be grounded.”
Working with filmmaker Vallée, who died in 2021, taught Newton “what it meant to be a real actor,” she adds. “I never knew where the camera was. Jean-Marc shoots 360 [degrees], so I was always just in it with Reese, and you never felt like you were on camera. It’s different when you’re aware of the camera, it definitely becomes a character in the scene. But in that space, it was more just really forgetting that you were shooting a show at all.”
When asked about the possibility of aBig Little Liesseason 3, Newton shrugs. “People keep bringing it up to me. That’s all I know!”
(Left to right:) Cole Sprouse, Zelda Williams, Kathryn Newton, Diablo Cody and Liza Soberano at the Los Angeles special screening of “Lisa Frankenstein” Feb. 5.Alberto Rodriguez/Getty

Alberto Rodriguez/Getty
As for more appearances in theMCU, that’s “the most top-secret,” says the actress, who played Cassie Lang, daughter of Rudd’s Scott Lang.QuantumaniacostarredEvangeline Lilly,Jonathan Majors,Michelle PfeifferandMichael Douglas.
“I wish I could tell you, but obviously everything’s always a secret these days,” quips Newton with a laugh. “You just can’t even mumble the word Marvel!”
Lisa Frankensteinalso starsCole Sprouse, Liza Soberano, Henry Eikenberry, Joe Chrest andCarla Gugino. For Newton, all her costars as well as Williams and Cody have joined her growing list of fellow artists from whom she’s learned plenty.
“Everybody changes me,” she says when asked what she’ll take away from leading the film. “You meet one person and they change your life, even if it’s a little bit. I think working with Cole and Zelda changed my life. This movie definitely has changed me.”
Lisa Frankensteinopens in theaters Friday.
source: people.com