Episode 10: Hide and Seek

Here is the cast list:

The Doctor
Georgia Bell
Conner Bennet
Korena Hashimoto
Petr Costravalos
Pippa Blackwell
Kaito Hashimoto
Kimiko Hashimoto
Margaret Hashimoto
Lee Hashimoto
Aimee Wong
Naoki Noran
Akio
Haruna
Shiori
Takashi

Here is the synopsis:

Life is easy as a Japanese film star, but when Korena Hashimoto is stalked by a blue box, chased by aliens, and meets the Doctor, her life will never be the same again.

Here are some spoilers. Remember, two are red herrings!

Korena's first line is "oh my God!"
Naoki Noran is Japan's second best actor, and is less than happy about it.
Pippa Blackwell saves Georgia and Conner.
Korena hates musicals.
Petr Costravalos has plans for Korena.
Something happens to Japan at night.
Georgia remains behind in Japan.