1. Fala Chen
2. Linda Chung
3. Jonhson Lee
4. Lee Kwok Lun

thats all i can come up with

i've got 8+..so keep adding and then when you reach 8..someone else start..

Next:
Triumph in the Skies and At the Threshold of An Era (4).

1. Flora Chan
2. Joe Ma
3.

can only think of 2..anyone else?

3. Kwok Fung
4. Mary Hon
5. Kenneth Ma

next: Under the Canopy of Love & Devil's Disciples (4)

1. nancy sit
2. steven ma
3. Lau Dan
4. helen ma
5. johnny ngan
6. sherming yiu
7. Chan man na

all out..2 more..

Correct honeybee!! Yu Mo Lin was another answer.

Next:
Fathers and Sons and Forensic Heroes (5).

5. Fung so Bor
6. Jojo Shum
7. Mary Hon
8. Lee Kwok Lun
9. Fred Cheng
10. Oscar Leung

lol..there's actually quite a lot..

Next. Men in Pain and On the First Beat (5)

4. Rocky Cheng

the last one i was thinking of was lee sing cheung..

next:

Detective investigation files 3 and detective investigation 4 (10)

hehe..i knew they reused alot of people..

actually still have a few in mind that honeybee havent mentioned..at least 2 more..

i was thinking of irene wang..im sure there were several more..but anyways..next!!!

triumph in the skies and war and destiny (5)

Jessica Hsuan.
Raymond Lam.
Hui Siu Hung.
Lok Ying Kwan.
Gigi Wong.
Myolie Wu.
Power Chan.

Next:
The Conqueror's Story and The Driving Power (4).

Hint: Wayne Lai's Wife in the Conqueror's Story.

Correct!

I only have 9 (Though I'm not sure if these were the ones you had in mind):
Cutie Mui.
Johnny Tang.
Frankie Lam.
Ellesmere Choi.
Louis Yuen.
Lo Yuen Yan.
Ronald Cheng.
Law Mong.
Myolie Wu.

That's good! I wasn't thinking of Law Mong because I didn't know he was in VOH 2; the other person I was thinking of was Mark Kwok.

I think it was another guy who played their father.

Gallen Lo
Paul Chun
Ada Choi
Suet Nei
Sunny Chan
Tai Chi Wai

next: Love Bond & Shine on You (7)

Kenix Kwok.
Michael Tao.
Oscar Leung.
Fred Cheng.
Stephen Wong.
Ching Ho Wai.
Paul Chun.

Next:
A Recipe for the Heart and the Legendary Four Aces.

I didn't realised I forgot to give a number...

1. Raymond Lam.
2. Bosco Wong.
3. Sonija Kwok.
4. Sharon Chan.
5. Mimi Lo.
6. Power Chan.

Next:
Armed Reaction 4 and Forensic Heroes (4+).

Gigi Lai

hint: supporting actor

No, it's Ngo Ka Nin.

next: Lethal Weapons of Love and Passion & A Step into the Past (7-9)

AM: Was Evergreen really in A Step into the Past? I don't remember him. What character did he play?

Eddy Ko
Bosco Wong
Shirley Yeung
Michael Miu
Anne Heung
Lee Seng Cheung
Jimmy Au

next: Eternal Happiness & The Awakening Story (8)