Ron Howard is confident that the courts will rule in favor of his “Happy Days” co-stars, who are suing CBS over unpaid merchandise royalties.

Howard, who has no stake in the lawsuit, told TMZ.com that he believes his former co-stars will “get what they deserve.”

Members of the cast sued earlier this year, alleging that they were not getting a cut of the money made in sales of DVDs, lunch boxes, games and other memorabilia from the show.

The plaintiffs named in the lawsuit filed in Los Angeles Superior Court include Anson Williams, Marion Ross, Don Most, Erin Moran and Patricia Bosley, wife of the late Tom Bosley, who died last year.

The suit alleges that CBS cheated the plaintiffs out of more than $10 million in revenue from the sale of products featuring their images, including gambling machines, T-shirts, board games, greeting cards and drinking glasses.

The actors claimed their contracts with the show's producer, Paramount Television, which has been folded into CBS, guaranteed 5 percent of 100 percent of net proceeds from merchandises that uses their name, voice or likeness.

However, they said CBS has not shown them revenue reports and even told Moran that no money was owed to her.

CBS said it intends to honor its obligation.

"We agree that funds are owed to the actors and have been working with them for quite some time to resolve the issue," the company said in a statement Tuesday.

The case is set to go to trial this month.

The Associated Press contributed to this report.