Do you know your (American) t.v. characters?

Question

I will give you the character name, OR, nickname, that was used on a t.v. program. Nicknames on the show, will be in quotes. Can you tell me the actor's real name? Please do not cut and paste. This is just a simple,summertime game.First and last name of actor is ALL you need to give. Thanks.
1. "Kitten"
2. Opie
3. "Half Pint"
4. "Princess"
5. "Meathead"
6. John-Boy

Answer 1

1) Lauren Chapin from Father Knows Best
2) Ron Howard from The Andy Griffith Show
3) Melissa Gilbert from Little House on the Prairie
4) Elinor Donahue from Father Knows Best
5) Rob Reiner from All in the Family
6) Richard Thomas from The Waltons

P.S. I love your questions!!!! They make me really exercise my memory!!!

Answer 2

1. Angela Cartwright
2. Ron Howard
3. Melissa Gilbert
4. Sally Field (Gidget)
5. Rob Reiner
6. Richard Thomas

Answer 3

1. "Kitten" was Lauren Chapin
2. Opie was Ron Howard
3. "Half Pint" was Melissa Gilbert
4. "Princess" was Elinor Donahue
5. "Meathead" was Rob Reiner
6. John-Boy was Richard Thomas

Answer 4

1. ?
2. Ron Howard
3. Soliel Moon Frye
4. ?
5. Rob Reiner
6. Richard Thomas