I'll post the answers in a week. See how many you can get.

1) http://www.daklar.com/images/Guest%20Stars/RobertMs101.JPG

2) http://www.aaregistry.com/eimage/AlvinChildress1.gif

3) http://www.amosandy.com/images/f-lillian.jpg

4) http://www.imdb.com/gallery/hh/0817511/HH/0817511/cs_05.jpg?path=pgallery&path_key=Speed,%20Carol

5)http://images.zap2it.com/20050314/guesswhopr/006_halwilliams_family_guesswho.jpg

6) http://members.fortunecity.co.uk/johnrobinson3/scansh/various/HAMILTON,%20LYNN1.jpg
-Donna

7) http://www.imdb.com/gallery/hh/0923720/JamesWheaton.jpg

8) http://www.nndb.com/people/631/000092355/slappy-sm.jpg

9) http://www.onmilwaukee.com/images/articles/peterbonerz.jpg

10) http://www.theatreofhearts.org/COOL_ART_at_Beloved_-1.jpg

11) http://www.imdb.com/gallery/hh/0642143/HH/0642143/Dick_ONeill_BWGlasses.jpg?path=pgallery&path_key=O%27Neill,%20Dick

12) http://www.browncoats.nl/images/ron006.jpg

13) http://www.movieactors.com/characters/Freezes-Characters/youngfrank14.jpeg

14) http://www.spookytoms.com/TR-KimHamilton.JPG

15) http://www.stlouiswalkoffame.org/images/wickes.gif

16) http://mysite.verizon.net/svogl/01/wmayo.jpg

17) http://www.core-online.org/eventphotos/ayers.gif

18) http://www.ieatpaint.com/images/sides/scatman.jpg

19) http://www.lifeinlegacy.com/2002/1019/CurtisKeene.jpg

20) http://www.digitalhit.com/academy/76/acad76-7.jpg

i'm not gonna list the ones that were given away by the IMDB link.
but i still got:
1. robert manden
5. hal williams
6. lynn hamilton
9. peter bonerz
12. ron glass
15. lena horne
16. whitman mayo
17. ? and quincy jones (can never remember her name)
18. scatman crothers
19. keene curtis

not too bad, i don't think.

i'm not gonna list the ones that were given away by the IMDB link.
but i still got:
1. robert manden
5. hal williams
6. lynn hamilton
9. peter bonerz
12. ron glass
15. lena horne
16. whitman mayo
17. ? and quincy jones (can never remember her name)
18. scatman crothers
19. keene curtis

not too bad, i don't think.

If the IMDB link didn't give them away, the URL did.
Nice idea, though.

Great job.. Can you name their character? Below are some of the answers.....

3) http://www.amosandy.com/images/f-lillian.jpg
-Aunt Hazel

4)http://www.imdb.com/gallery/hh/0817511/HH/0817511/cs_05.jpg?path=pgallery&path_key=Speed,%20Carol
-Crystal "Here Comes the Bride, There Goes the Bride"

http://www.imdb.com/gallery/hh/0642143/HH/0642143/Dick_ONeill_BWGlasses.jpg?path=pgallery&path_key=O%27Neill,%20Dick
-Mr. Sanderson (Car Salesman)

15) http://www.stlouiswalkoffame.org/images/wickes.gif
-Mary in "The Light Housekeeper"

Below are all the answers:
1) http://www.daklar.com/images/Guest%20Stars/RobertMs101.JPG
-Auctioneer "Crossed Swords"

2) http://www.aaregistry.com/eimage/AlvinChildress1.gif
-Reverend Trimble

3) http://www.amosandy.com/images/f-lillian.jpg
-Aunt Hazel

4)http://www.imdb.com/gallery/hh/0817511/HH/0817511/cs_05.jpg?path=pgallery&path_key=Speed,%20Carol
-Crystal "Here Comes the Bride, There Goes the Bride"

5)
http://images.zap2it.com/20050314/guesswhopr/006_halwilliams_family_guesswho.jpg
-Officer 'Smitty' Smith

6)
http://members.fortunecity.co.uk/johnrobinson3/scansh/various/HAMILTON,%20LYNN1.jpg
-Donna

7) http://www.imdb.com/gallery/hh/0923720/JamesWheaton.jpg
-Nelson B. Davis (Funeral Director)

8) http://www.nndb.com/people/631/000092355/slappy-sm.jpg
-Melvin

9) http://www.onmilwaukee.com/images/articles/peterbonerz.jpg
-Doctor

10) http://www.theatreofhearts.org/COOL_ART_at_Beloved_-1.jpg
-Aunt Emma

11)
http://www.imdb.com/gallery/hh/0642143/HH/0642143/Dick_ONeill_BWGlasses.jpg?path=pgallery&path_key=O%27Neill,%20Dick
-Mr. Sanderson (Car Salesman)

12) http://www.browncoats.nl/images/ron006.jpg
-Hucklebuck "The Card Sharps"

13) http://www.movieactors.com/characters/Freezes-Characters/youngfrank14.jpeg
-Gus (The bumb in "A Guest in the Yard")

14) http://www.spookytoms.com/TR-KimHamilton.JPG
-Carol ("Fred & Carol and Fred & Donna")

15) http://www.stlouiswalkoffame.org/images/wickes.gif
-Mary in "The Light Housekeeper"

16) http://mysite.verizon.net/svogl/01/wmayo.jpg
-Grady

17) http://www.core-online.org/eventphotos/ayers.gif
-Cousin Emma

18) http://www.ieatpaint.com/images/sides/scatman.jpg
-Bo Legs

19) http://www.lifeinlegacy.com/2002/1019/CurtisKeene.jpg
-Doctor Goodman in "The Over Hill Gag"

20) http://www.digitalhit.com/academy/76/acad76-7.jpg
-Bank Guard in "Carol"