Plus, find out when it premieres.
“Cassie thinks she’s completely changed.
Turned over a new leaf and is a whole new person,” Cuoco tells EW via email.

Kaley Cuoco on season 1 of ‘The Flight Attendant’.Colin Hutton/HBO
“She loves her new side gig, but sometimes goes too far,” says Cuoco.
“She’s an asset, not an agent, which she constantly needs to be reminded of.”
According to Yockey, that will hopefully remain the case in season 2.

Rosie Perez on season 1 of ‘The Flight Attendant’.Colin Hutton/HBO
She doesn’t always make the sensible choice.
“There are more Cassies where that came from,” says Cuoco.
“It was a challenge working with basically myself for tons of the mind palace scenes.
No one to blame but myself!
“I was really thinking about Cassie’s character in recovery.
What do you do with these dark parts of yourself when you’re trying to become a different person?
Yockey adds: “Doubling runs through the season.
It runs through all of our characters and the overarching mystery.”
Season 2 will also explore Cassie’s family even more.
“It’s been really fun to play with that brother-sister dynamic this year.
Davey is Cassie’s No.
1 supporter in terms of her sobriety,” says Yockey.
Chaidez adds, “He takes it very seriously maybe too seriously.”
“Season 1 was very much [about how] she wanted to be seen and valued.