Alan Dale
Management 360
9111 Wilshire Blvd.
Beverly Hills, CA 90210
Star Trek Nemesis

Kate Mulgrew
Viking Entertainment
445 W 23rd Street
Suite 1A
New York city, NY 10011
Voyager, ST Nemesis

Tim Russ
7336 Santa Monica Blvd. Ste. 711
West Hollywood, CA 90046
Voyager, Star Trek Generations

Ethan Phillips
Essential Talent Management
3151 Cahuenga Blvd. West
Suite 220
Los Angeles, CA 90068

Roxann Dawson
Andrea Simon Entertainment
311 North Robertson Blvd.
Suite 900
Beverly Hills, CA.90211
Voyager

Robert Picardo
c/o Vanguard Management Group
8060 Melrose Ave.
4th Floor
Los Angeles, CA 90046
Voyager, FIrst Contact

Judson Scott
PO Box 5514
Playa Del Rey, CA 90296-5514
Star Trek 2 TWOK

Heidi Kramer
4040 Falling Leaf Dr.
Encino, CA 91316-4419
one of the Delaney Sisters on Voyager

Another couple of addresses to add here thanks to some others who have posted successes today and a few others I've gone and dug up from mine

Robert Duncan McNeill
The Rothman Brecher Agency
9250 Wilshire Blvd
Penthouse
Beverly Hills, CA 90212
Voyager

Whoopi Goldberg
One Ho Productions
333 West 52nd Front
New York, NY 10019-6238
TNG

Wiliam Morgan Sheppard
c/o Silver, Massetti & Szatmary
8730 W Sunset Blvd
West Hollywood, CA 90069
TNG Voyager, ST6 and ST2009

Sabrina Morris
Sunny Talent Management
P.O.Box 17382
Beverly Hills, CA.90209
ST2009
send sase

Mimi Cozzens
c/o The Krasny Office
1501 Broadway
Ste. 1303
New York, NY 10019
TNG, Romulan

Marco Rodriguez
c/o Coyote Ventures
PO Box 6024
Rosemead, CA 91770-6024
TNG

Robert Brown
P.O. Box 1214
Ojai, CA 93024
TOS

Vaughn Armstrong
1903 Apex Ave
Los Angeles, CA 90039
Aliens on TNG DS9 Voy, Admiral on Enterprise

In a word, Zipbags...wow.

Here's a sampling of a few addresses that worked for me

Tracy D'Arcy
'Star Trek: The Next Generation' .... Young Woman (Parallax colony hologram)
Robert Andrews
SCH & Neck
1301 20th Street, #300
Santa Monica, CA 90404

Deborah Lacey
c/o House Of Representatives
1434 6th Street
Suite 1
Santa Monica, CA 90401
guest on DS9

Ken Jenkins
c/o Paradigm Agency
360 N. Crescent Drive
North Building
Beverly Hills CA 90210
guest on TNG

Colby Paul
1118 Country Valley Rd.
Westlake CA 91362.
Vulcan Bully Trek 09 movie

Nice success!

Here are my Star Trek graphs....

I got in one today Spice Williams-Crosby. She played Vixis in Star Trek 5. Sent a Klingon/English phrasebook to her and a Spider-Man dvd cover (she did stunts in the movie). Recieved both signed and inscribed to me.
Address used
15445 Ventura Blvd. #115
Sherman Oaks, CA. 91403
Sent request May 24th and recieved on July 28th