The duo will lend their voices to unspecified characters in the sequel to the 2004 computer-animated superhero film, reported Tracking Board.
The actors could be two of the 25 newly-announced heroes joining the movie.
According to reports, the story will centre more around Elastigirl, who will be out saving the world once more while Mr Incredible is at home looking after their youngest child, Jack-Jack.
Although, the film takes the story forward, no leap will be shown and the plot will proceed right after the cliffhanger ending in the first.
"Incredibles 2" is set to be released on June 15.
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