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Fan Casting Lady Gaga as Harleen Quinzel in Joker 3: It’s a Mad World (2026)

richman made this fan casting suggestion on March 31, 2023. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Lady Gaga as Harleen Quinzel in Joker 3: It’s a Mad World (2026)

Lady GagaUnited States

38 years old
Stefani Joanne Angelina Germanotta (born March 28, 1986), better known by her stage name Lady Gaga, is an American singer and songwriter. After performing in the rock music scene of New York City's...
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Harleen Quinzel in Joker 3: It’s a Mad World (2026) add character image
Fan Casting

Lady Gaga

as

Harleen Quinzel (Harley Quinn)

in

Joker 3: It’s a Mad World (2026)

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Joker 3: It’s a Mad World (2026)

Joker 3: It’s a Mad World (2026)

The Final Show
by Todd Phillips
Fan casting
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Fan casting suggestion made by:

richman

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Lady Gaga is known for her roles in Sin City: A Dame to Kill For, A Star Is Born, and House of Gucci. She has been suggested by fans for 3,314 roles on myCast, including Amy Winehouse in Celebrity Biopics. Similar actors include Victoria Justice, Ariana Grande, and Taylor Swift. Lady Gaga was suggested to play Harleen Quinzel in Joker 3: It’s a Mad World (2026) by richman. Joker 3: It’s a Mad World (2026) has 15 roles, including Bruce Wayne, Harvey Dent, and Dr. Hugo Strange.

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