The full cast of "Dancing With The Stars" season 22 won't be revealed until March 8, but there's a bit of news for info-hungry fans of the hit reality dance competition: the first celebrity contestant will be unveiled during the March 2 edition of "Good Morning America." Spoiler source DWTSGossip tweeted the scoop on March 1.

Who's dancing?

Although the identity of the newly minted Mirrorball Trophy hopeful is, of course, unknown as of press time, there are a few obvious candidates for tomorrow's mini reveal, as a quartet of contestants have already been informally identified.

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The four all-but certain cast members are "The Facts of Life" and "Living Single" alum Kim Fields, whose participation was announced via a Feb. 25 ET exclusive; Pittsburgh Steelers wide receiver Antonio Brown, whose agent did not, when asked, deny rumors that he would dance; "Full House" star Jodie Sweetin, who was outed by co-star Lori Laughlin; and "America's Next Top Model" winner Nyle DiMarco, who was named as a contestant by an E! News report.

Season 22 marks the second time that "DWTS" producers will reveal the celebrity lineup in at least partially piecemeal fashion. After 20 seasons of announcing the entire cast in one fell swoop, season 21 saw them reveal the first several contestants one at a time; the first identified was eventual winner Bindi Irwin.

The 'DWTS' pro lineup

Although little else is known about the season 22 celebrity lineup, the cast of pro dancers is taking shape nicely, according to information gathered by DWTSGossip, DWTS360, and the fan site PureDWTS. The ladies supposedly set to take part as pro coaches include Karina Smirnoff, Sharna Burgess, Edyta Sliwinska, and Peta Murgatroyd. Emma Slater and Jenna Johnson are allegedly part of the "DWTS" troupe. The status of both Lindsay Arnold, who coached train hero Alek Skarlatos to a third place finish last season, and season 19 Mirrorball Trophy winner Witney Carson, is unknown.

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On the men's side, "Dancing with the Stars" season 20 winner Valentin Chmerkovskiy, two-time winner Mark Ballas, and all-star season victor Tony Dovolani are set to return. Derek Hough and Louis Van Amstel are both out, and the rest of the field is uncertain.