American Ninja Warrior contestants

William Peter Moseley (born 27 April 1987) is an English actor. He is known for his roles as Peter Pevensie in the film series The Chronicles of Narnia (2005–2010) and Prince Liam in the E! series The Royals (2015–2018).

Jessica Lauren Graff (born January 12, 1984) is an American professional stunt woman and athletics-based television personality. She is a black belt in Taekwondo, a black sash in Kung Fu, and is trained in five other styles of martial arts. She is also a championship pole vaulter and a competitive gymnast.

Oscar Lusth (born August 23, 1981, in Guanajuato, Guanajuato, Mexico) is an American reality show veteran contestant who has appeared on several shows, including Survivor: Cook Islands, where he finished as the runner-up; Survivor: Micronesia; and Survivor: South Pacific. He also competed in the 34th edition of Survivor: Game Changers; and the second season of American Ninja Warrior He also appeared on the Playboy reality series, Foursome.

Richard Lynn Stenhouse Jr. (born October 2, 1987) is an American professional stock car racing driver. He competes full-time in the NASCAR Cup Series, driving the No. 47 Chevrolet Camaro ZL1 1LE for JTG Daugherty Racing. Stenhouse was the 2010 Nationwide Series Rookie of the Year, and won back-to-back Nationwide Series championships in 2011 and 2012. Stenhouse was the 2013 Sprint Cup Series Rookie of the Year.

Shawne DeAndre Merriman (born May 25, 1984), nicknamed "Lights Out", is a former American football linebacker. He played college football at Maryland and was drafted 12th overall by the San Diego Chargers in the 2005 NFL Draft. He earned NFL Defensive Rookie of the Year honors in his first season and recorded ​39 ⁄2 quarterback sacks in his first three seasons, also making three Pro Bowls as well as two All-Pro selections. He was hampered by injuries his next three seasons, and the Chargers waived Merriman midseason in 2010. He was picked up through waivers by the Buffalo Bills that season, but he only played minimally with the Bills due to continued injuries. He was released by the Bills before the 2012 season before they re-signed him mid-season. He retired at the end of the 2012 season.

Kimberly Lyn "Kim" Lyons (born May 5, 1973) is an American athlete, personal trainer, nutritionist, and fitness model who has appeared several times on the covers of many health and fitness magazines and has also starred on the United States version of the competitive reality television show, The Biggest Loser. She originally replaced fellow trainer Jillian Michaels in season 3, but competed against her in season 4. She did not return for season 5, and has not made an appearance since. Subsequently, she appeared at the 2008 Miss America pageant as a panelist, and wrote a book entitled Kim Lyons: Your Body, Your Life.

Andrew John Lachey (born August 8, 1976) is an American singer and actor. He is known as a member of 98 Degrees, the winner of the second season of Dancing with the Stars, and the younger brother of Nick Lachey.

Kacy Esther Catanzaro (born January 14, 1990) is an American professional wrestler, gymnast and athletics-based television personality. She is currently signed with WWE on the NXT brand under the ring name Katana Chance. She is a current NXT Women's Tag Team Champion with Kayden Carter. She competed at the television sports show American Ninja Warrior and became the first woman to complete a City Qualifiers course and the first woman to complete a City Finals course. Since signing with WWE, she has competed in the 2018 Mae Young Classic and participated in the 2019 Royal Rumble match.

Hélio Alves de Castro Neves (Portuguese pronunciation: born 10 May 1975) is a Brazilian race car driver for Team Penske in the IMSA WeatherTech SportsCar Championship. He won the Indianapolis 500 three times: in 2001, 2002, and 2009, and finished second in the IndyCar Series drivers' championship in 2002, 2008, 2013, and 2014. Castroneves began competitive go-karting at the age of 10, before progressing to car racing, in the Formula Chevrolet Brazil, Formula 3 Sudamericana, the British Formula Three Championship, and Indy Lights. He entered Championship Auto Racing Teams (CART) in 1998 with Bettenhausen Racing and 1999 and Hogan Racing, claiming two second-place finishes each with both teams. Castroneves moved to Team Penske for 2000 and 2001 in place of Greg Moore, winning three races in both years.

Ryan Allen Sutter (born September 14, 1974) was the "winner" (final bachelor) chosen by Trista Rehn on the television show The Bachelorette. Sutter, a Colorado firefighter, and Rehn were married in a televised wedding on ABC on December 6, 2003. The miniseries was filmed at "The Lodge" luxury resort in Rancho Mirage, California. Prior to that, he was a star college football defensive back with the Colorado Buffaloes football team. He was drafted by the Baltimore Ravens of the National Football League in the 1998 Draft, but lasted only a couple of seasons as a professional football player mainly due to injuries.