"I'm used to being on skates and pushing and gliding this way. I don't do well in shoes. I have spent most of my life in ice skates. I'm sure for [pro partner Tristan MacManus], it must be kind of frustrating because he says, 'Just step forward,' and I go, 'Whoosh,'" Hamill told "Good Morning America" earlier this month.
Athletes including football players, a gymnast and a speed skater have dominated past competitions, winning six of the past 15 seasons and placing second five times.
Dancing contestant Zendaya Coleman, star of the Disney Channel's "Shake It Up," is also a hip-hop dancer, which could help her take home the trophy like it did for Pussycat Dolls singer Nicole Scherzinger on season 10. But the 16-year-old told "Good Morning America" that she doesn't think her dance skills will help her in the competition.
"Some people would assume that because I'm a hip-hop dancer, it'd be easier for me to do this. It's basically doing the exact opposite of what I'm used to," Coleman said.
"So not only am I kind of learning something from the beginning but I have to forget what I already know and what's already naturally in my body."
Musicians-singers are the second-highest placing group of stars in history, after athletes. Starting with former 98 Degrees member Drew Lachey, who won season two, musicians have won three of the competitions and placed second four times. Their experience of dancing on stage during concerts or musical theater performances might give them that extra edge.
This season includes two singers, four actors, four athletes and two reality-TV stars. The ABC competition begins with a two-hour premiere, beginning at 8 p.m. ET.
Here's a rundown of all of the pairings for the new season:
-- Zendaya Coleman, star of the Disney Channel series "Shake It Up," and her partner, Val Chmerkovskiy.
-- Andy Dick, actor and comedian, and his partner, "DWTS" newcomer Sharna Burgess.
-- Dorothy Hamill, winner of figure skating gold at the 1976 Winter Olympics, and her partner, Tristan MacManus.
-- D.L. Hughley, comedian and actor, and his partner, Cheryl Burke.
-- Jacoby Jones, Super Bowl-winning Baltimore Ravens wide receiver, and his partner, Karina Smirnoff.
-- Wynonna Judd, country music star, and her partner, Tony Dovolani.
-- Sean Lowe, "The Bachelor" star, and his partner, Peta Murgatroyd.
--Victor Ortiz, boxer, and his partner, "DWTS" newcomer Lindsay Arnold.
-- Kellie Pickler, country-music star and former "American Idol" contestant, and her partner, Derek Hough.
-- Ingo Rademacher, "General Hospital" actor, and his partner, Kym Johnson.
-- Aly Raisman, gold-medal-winning gymnast at 2012 Summer Olympics, and her partner, Mark Ballas.
-- Lisa Vanderpump, star of "The Real Housewives of Beverly Hills," and her partner, Gleb Savchenko.
ABC News Radio contributed to this report.