'Special Forces: World's Toughest Test' Season 4 cast: Jussie Smollett, Shawn Johnson
The casting department for "Special Forces: World's Toughest Test" is acing their assignment.
Fox's military training series returns for Season 4 on Sept. 25 and this year's cast – first announced Wednesday, Aug. 6 – features a star-studded roster of celebrities from the worlds of sports, social media and even modeling.
In the show, celebrities take on military-style challenges that test their bodies, souls and minds led by a roster of instructors who are special forces veterans: Rudy Reyes, Jovon Quarles, Jason Fox and Mark "Billy" Billingham.
The cast is headlined by Olympic gymnast Shawn Johnson and her former NFL player husband Andrew East, "Sister Wives" star Kody Brown, embattled "Empire" actor Jussie Smollett, "Real Housewives of New Jersey" OG Teresa Giudice and her eldest daughter Gia Giudice of "Next Gen NYC" fame, "The Valley" cast member Brittany Cartwright and college football legend Johnny Manziel.
The cast also includes retired Green Bay Packers wide receiver Randall Cobb, country singer Jessie James Decker and her ex-NFL player husband Eric Decker, Mark Estes of the Montana Boyz (also known as Kristin Cavallari's younger ex-boyfriend), "BFFs" podcaster Brianna "Chickenfry" LaPaglia and sitcom star Ravi Patel.
Former pro soccer player Christie Pearce Rampone, former NBA player Nick Young, supermodel Chanel Iman and TV personality Eva Marcille are also set to star.
Notable past competitors include actress Denise Richards, former "Bachelorette" Hannah Brown, former first term Trump White House communications director Anthony Scaramucci, Johnson's 2008 Olympic team member Nastia Liukin, "Jon & Kate Plus 8" mom Kate Gosselin, "The Osbournes" star Jack Osbourne and singer JoJo Siwa.
"Bachelor in Paradise" star Brown and former pro soccer player Carli Lloyd passed the Season 1 test while Brown's ex-boyfriend Tyler Cameron, fellow "Bachelor" franchise lead Nick Viall and Olympic speedskater Erin Jackson won Season 2. Travis Kelce's ex-girlfriend, model Kayla Nicole, won Season 3 along with "The Hills" alum Brody Jenner.