If you are referring to the 2016 film - the members are:
Deadshot
Joker
Harley Quinn
Boomerang
El Diablo
Killer Croc
June Moone/Enchantress
Rick Flag
Chrisopher Weiss/Slipknot
Tatsu Yamashiro/Katana
with
Amanda Waller as the official who gives orders to the Squad - not sure if you would consider her a member of the Squad...
It's possible that there are others that have not yet been revealed as of July 2016.
If you are talking the comic book version - the membership has varied. Besides those already mentioned, members have included:
Count Vertigo
Doctor Light (Arthur Light)
Duchess (Lashina)
Jewelee
Nemesis (Tom Tresser)
Nightshade
Oracle (Barbara Gordon - the former Batgirl - acting as their paraplegic, superhacker, "information broker")
Poison Ivy
Punch
Shade, the Changing Man
Thinker (Cliff Carmichael)
Vixen
King Shark
Knockout
Sam Makoa
Sidearm
Superboy
Flex
Quartzite
Shrapnel
Thermal
agent Cameron Chase
Bolt
Copperhead
Killer Frost
Sledge
Chemo
Mongul
Plasmus
Manchester Black
Steel
Sgt. Frank Rock
Bulldozer
There are many others as well.
Traditionally DC recruits Suicide Squad members from among the prison population of supervillains. So, be a supervillain, get captured (but not killed), and try not to appear too utterly irredeemable.
Yes, there are plans for a sequel to Suicide Squad.
rick flag and members of the suicide squad
The ISBN of Suicide Squad is 1-4012-1866-0.
In the movie, Suicide Squad fought against the Enchantress and her brother.
Margot Robbie played Harley Quinn in Suicide Squad.
Suicide Squad - 1935 was released on: USA: 3 December 1935
Suicide Squad - 1935 is rated/received certificates of: USA:Passed (National Board of Review) USA:Approved (PCA #1795)
jared leto.
Arrow - 2012 Suicide Squad 2-16 was released on: USA: 19 March 2014
Arrow - 2012 Suicide Squad 2-16 is rated/received certificates of: Netherlands:12
The Young Rebels - 1970 Suicide Squad 1-6 was released on: USA: 25 October 1970