Margot Robbie Ben Affleck

Affleck -- aka Batman, who makes a cameo in Suicide Squad--looked especially dapper in a gray suit, white button-down, and polka dot tie.

Not only was he all smiles on the Leicester Square red carpet, the 43-year-old Oscar winner also signed autographs and took photos with fans.

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The dad of three even made the day of one very special little girl who was dressed up like Harley Quinn, hoisting her up for photogs.

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Co-star, Cavill, looked just as handsome at the event. The 33-year-old actor sported a navy blue checkered suit, which he paired with a gold tie and dark brown dress shoes.

– opted for a more casual look: a black T-shirt and dark gray pants, styled with shoes oddly similar to Cavill's, plus a bronze chain hanging from his belt.

The 37-year-old actor actually looks like he could be vying for the part of Thor with those long blonde locks -- but that would be the wrong comic universe.

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The appearance comes on the heels of the trio's showing in San Diego, California, last month, where they assembled for their first Justice League group gatheringalong with Gal Gadot, Ezra Miller, and Ray Fisher. That event is also where Affleck confirmed that he will be directing the solo

Jared Leto played up his role as the Joker in a long bright green coat, pastel pink pants, and the same smoking slippers he rocked with his lion coat in NYC.

Ben

Margot Robbie, who stars as Harley Quinn, took a cue from Leto's look earlier this week. She stunned in a white maxi dress that featured a roaring lion on her bust and embroidered flowers along the straps, waist and hemline.

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Not to be outdone, Cara Delevingne channeled her character, Enchantress, once again. The British model-actress' goth queen ensemble was comprised of a leather jacket with half velvet, half sheer sleeves and a slew of pins, plus a completely sheer lace dress styled with matching black high-waisted underwear, thigh-high heeled Christian Louboutin boots, and two bracelet cuffs.

Ben

It's been a busy week for not just the DC family but Affleck's brood as well. His estranged wife, Jennifer Garner, made her own fetching appearance on Monday at the premiere of her new film,

On the red carpet in Los Angeles, Garner spoke to ET about making a movie that her and Affleck's three children -- Violet, 10, Seraphina, 7, and Samuel, 4 -- can go see. Find out more in the video below.

Ben

Ben Affleck Spotyka Się Z Margot Robbie?

Not to be outdone, Cara Delevingne channeled her character, Enchantress, once again. The British model-actress' goth queen ensemble was comprised of a leather jacket with half velvet, half sheer sleeves and a slew of pins, plus a completely sheer lace dress styled with matching black high-waisted underwear, thigh-high heeled Christian Louboutin boots, and two bracelet cuffs.

Ben

It's been a busy week for not just the DC family but Affleck's brood as well. His estranged wife, Jennifer Garner, made her own fetching appearance on Monday at the premiere of her new film,

On the red carpet in Los Angeles, Garner spoke to ET about making a movie that her and Affleck's three children -- Violet, 10, Seraphina, 7, and Samuel, 4 -- can go see. Find out more in the video below.

Ben

Ben Affleck Spotyka Się Z Margot Robbie?