Here’s the press release from the Lionsgate publicity site:

LENNY KRAVITZ CAST AS
CINNA IN LIONSGATE’S THE HUNGER GAMES
LOS ANGELES, CA, May 23, 2011- Lionsgate® and the filmmakers of THE HUNGER GAMES are pleased to announce
that iconic musician and actor Lenny Kravitz (PRECIOUS) has been cast in the role of Cinna in the much anticipated film adaptation of Suzanne Collins’ worldwide smash hit novel.
Said director Gary Ross of the casting decision, “When I saw Lenny’s work in PRECIOUS I was just knocked out.  It was quiet and strong and understated and open …

The Wrap has just posted a story where they say that Jamie Campbell-Bower, Ed Speleers, and Leebo Freeman are all in the lead for the role of Jace. All three actors tested with Lily Collins on Friday. Here are the details:
Three young actors are in the running for the lead role in Screen Gems’ movie “The Mortal Instruments.”
You’ll be hearing a lot about the film: Lily Collins, who made a name for herself in “The Blind Side” and is playing Snow White in Relativity Media’s “Snow White” movie, plays Clary Fray, the lead.
On Friday, Jamie Campbell …

Via: MTV

District 2:
Alexander Ludwig
Isabelle Fuhrman
District 9:
Imanol Yepez-Frias
Annie Thurman
District 10:
Jeremy Marinas
Dakota Hood
Via: Official Hunger Games Facebook

Here’s the announcement from the Hunger Games Facebook page:
We are pleased to announce that Stanley Tucci has been cast for the role of Caesar Flickerman, host of The Hunger Games!
Can I just say that this is awesome?! He’s going to be HI-larious as Caesar. I can’t wait to see his wardrobe! LOL
Photo: Steve Granitz/Wire Image via IMDB

From the Hunger Games Facebook page–
District 5:
Jacqueline Emerson as Foxface
Chris Mark
District 6:
Kara Petersen
Ashton Moio
District 7:
Leigha Hancock
Sam Ly
District 8:
Mackenzie Lintz
Samuel Tan
What’s cool is that a lot of these actors and actresses have stunt or martial arts experience (one of them’s even a gymnast!), so they’ll definitely be ready for the Games!
 

The official Hunger Games Facebook page just announced that Amandla Stenberg and Dayo Okeniyi have been cast as Rue and Thresh, respectively. Slowly but surely, it’s all coming together! Be sure to check out the Hunger Games Facebook page, they have a cool set up that lists all the districts and by the looks of it they’ll be unveiling other tributes soon!

Collider has a list of actors who were supposedly set to test for the roles of Peeta and Gale in The Hunger Games.  I added links to their IMDB pages so click on their names to check out their pages! 

Testing for Peeta:
Hunter Parrish – 23 years old (Weeds)
Josh Hutcherson– 18 years old (The Kids Are All Right)
Evan Peters – 24 years old (Kick-Ass)
Alexander Ludwig – 19 years old (Escape to Witch Mountain)
Lukas Till – 20 years old (Battle: LA, X-Men: First Class)
Testing for Gale:

Liam Hemsworth – 21 years old (The Last Song)
David …

EW has an exclusive statement from author Suzanne Collins, who discusses her thoughts on the casting of Jennifer Lawrence as Katniss Everdeen!  Click here to read more of her reaction to the news!
“Dear Readers,
We have found Katniss.
As the author, I went into the casting process with a certain degree of trepidation. Believing your heroine can make the leap from the relative safety of the page to the flesh and bones reality of the screen is something of a creative act of faith. But after watching dozens …

Sony Pictures has posted a casting call for Jace!  As you know Lily Collins has been cast as Clary.  Here’s the casting call, and if you want to submit yourself for consideration head on over to Sony Picture’s Face of the Fan website!
We’re searching for someone to play Jace Wayland in the upcoming Mortal Instruments movie. The role calls for a male able to play age 18-25.
Character Description: Fighting, hunting, and killing demons are the things Jace is good at. Though the jagged scars and black runic Marks on his body …