We’re three months away from the second-ever running of the World Series of Poker’s Big One for One Drop, a charity tournament with a hefty $1 million buy-in that last took place in 2012. The steep price tag certainly hasn’t stopped people from signing up in droves, as 23 poker players, businessmen, and qualifiers have already confirmed their attendance:

1. Antonio Esfandiari
2. Guy Laliberté
3. Bobby Baldwin
4. David Einhorn
5. Phil Galfond
6. Philipp Gruissem
7. Phil Ivey (pictured)
8. Jason treysfull21 Mercier
9. Paul Newey
10. Bill Perkins
11. Vivek Psyduck Rajkumar
12. Brian tsarrast Rast
13. Andrew good2cu Robl
14. Erik Seidel
15. Brandon Steven
16. Sam Trickett
17. Noah Schwartz
18. Anonymous Businessman
19. Anonymous Businessman
20. Anonymous Businessman
21. Aria Resort Satellite Seat
22. Bellagio Resort Satellite Seat
23. World Series of Poker Satellite Seat

The first 17 players on the list above all participated in 2012, the first and only other time the Big One for One Drop has taken place. The tournament sold out at 48 entrants last time and, with the addition of another eight-max table this year, 56 players can be accommodated. If the tournament sells out once again, as expected, the first place prize could reach $20 million.

Antonio Esfandiari (pictured), who won the 2012 installment and became poker’s all-time money leader in the process, commented in a WSOP press release, “I can’t wait to defend my title. The event was life-changing, but so was my trip to El Salvador after it with the One Drop organization to see first hand what a difference the money raised from this event can do for those in dire need of help.”

WSOP officials plan to reach out to additional players to recruit them to the One Drop field after already contacting everyone who played in 2012. The tournament is scheduled for three days beginning June 29 and $111,111 of each buy-in goes to charity. If the event sells out, the prize pool would be around $50 million. Anyone interested in playing is encouraged to contact WSOP officials.

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