Jake T. Austin and Marilu Henner talk about 'Dancing with the Stars'

NEW YORK -- The celebrity contestants of "Dancing with the Stars" have put the finishing touches on their first routines and are hitting the ballroom floor Monday night!

The 23rd season kicks off one of the best casts yet including two Gold medal-winning U.S. Olympians, a multi Grammy award-winning musician, a star of one of the most iconic television programs ever, one of the greatest wide receivers of all time, and the former governor of Texas, to name just a few.

Disney Channel star Jake T. Austin is tackling the ballroom with new pro-dancer Jenna Johnson.

He said that he's most excited to show his younger teenage sister that he has what it takes to do the show.

Iconic TV actress Marilu Henner is hoping to inspire viewers to get up and get moving no matter their age. She's partnered with pro-dancer Derek Hough. He's won the Mirror Ball Trophy a whopping six times!

Watch them meet each other for the first time:

CHECK OUT THE FULL CAST HERE

Don't miss the big premiere tonight from 8:00-10:01 p.m. EDT on ABC!