Olympic skier Lindsey Vonne has also signed on for the upcoming season of NBC's adventure series, reported Deadline.
The network confirmed where each star will travel with Grylls: Cox and Vonn will go to Ireland, Hough to Africa, and Hudgens and Jonas will travel to Sierra Nevada.
The series challenges the stars to survive in an inhospitable environment.
In the past the show has seen celebrity guests like President Barack Obama, Zac Efron, and Kate Winslet among others.