Will Smith plays expert marksman Deadshot.
Does he really need an introduction? Smith shaved his head for the film, but grew his hair back in time to take selfies with his loyal fans.
Jai Courtney plays Captain Boomerang, who, as his name suggests, is a boomerang master.
The Australian actor had starred in last year's "Terminator Genisys."
next slide will load in 15 secondsSkip AdSkip AdKaren Fukuhara plays the sword-wielding Katana.
This is Fukuhara's first film role, and it looks as if "Suicide Squad" could definitely be her big break.
Adewale Akinnuoye Agbaje is unrecognizable as the reptilian Killer Croc.
He could last be seen in the fifth season of "Game of Thrones" as Malko. He also played Mr. Eko on "Lost."
El Diablo, an ex-criminal covered in tattoos, is played by Jay Hernandez.
next slide will load in 15 secondsSkip AdSkip AdHernandez, who had a starring role in the "Hostel" movies, looks a lot different without the face paint.
Cara Delevingne is barely recognizable as June Moone, who gets possessed by the mysterious sorceress Enchantress in the film.
The actress first made a splash during last summer's "Paper Towns."
Joel Kinnaman will play "Suicide Squad" leader and military man Rick Flag.
You may recognize the Swedish actor, sans military gear and goatee, from AMC's "The Killing" as well as 2013's "RoboCop" remake.
next slide will load in 15 secondsSkip AdSkip AdAdam Beach plays Slipknot, an assassin whose specialty involves ropes.
Beach is best known for starring in the war movies "Flags of Our Fathers" and "Windtalkers." He doesn't look too different from his DC Multiverse counterpart.
Margot Robbie plays the first ever film adaptation of fan favorite Harley Quinn.
Since her performance in "The Wolf of Wall Street" in 2013, Robbie has been on the rise. She previously starred alongside Will Smith in "Focus."
Jared Leto plays the next incarnation of the Joker. This heavily tattooed version looks unlike any iteration of the Clown Prince of Crime we've seen on-screen before.
next slide will load in 15 secondsSkip AdSkip AdOscar-winning actor Jared Leto took on the huge challenge of playing the Joker.
He completely transformed his look to play the Joker — cutting his long locks, shaving his beard, and changing his hair color. He got back to his normal look for the "Suicide Squad" premiere.