Discussions had been under way with their lawyers and there were certain "veiled threats about their not showing up," Moonves said.
A call seeking comment from the actors was not immediately returned Sunday by their publicist.
"There comes a point where we feel a contract is a contract. We all have to look out for the future of the network television business," said Moonves, co-president and co-chief operating officer of CBS parent company Viacom.
Among the major broadcast networks only CBS and NBC avoided losses last year, he told the Television Critics Association.
CASTING NEWS: “Transparent” star Jeffrey Tambor and “Better Call Saul’s” Jonathan Banks are among the thesps lending their voices to Disney Channel’s upcoming animated series “Tangled: Before Ever After,” set between the events of the feature film and the start of the 2012 short film, “Tangled Ever After.” Also joining the film’s leads, Mandy Moore and Zachary Levi, are Ashley Judd as Rapunzel’s mother Queen Arianna; Broadway star Eden Espinosa as Rapunzel’s handmaiden and confidant, Cassandra; comedian Jeff Ross as Hook Hand’s brother Hook Foot; Richard Kind as Uncle Monty; Sean Hayes as Pete the Guard; Peter Mac Nicol as Nigel the Adviser; Clancy Brown as Rapunzel’s father King Frederic; Adewale Akinnuoye-Agbaje as blacksmith Xavier; Diedrich Bader as Stan the Guard; Charles Halford as Pub Thug Vladimir; Steve Blum as Pub Thug Attila Buckethead; James Monroe Iglehart as Eugene’s friend Lance Strongbow; and Jeremy Jordan as teen alchemist Varian.
Reprising their roles from the feature film are Tambor and Paul F. “CSI” alum George Eads is making his way back to CBS for the network’s “Mac Gyver” reboot.
Now, Mike Stud can be seen at the top of the Billboard and i Tunes charts as he continues to build his brand as an unsigned artist, heavily relying on social media to build awareness, sell tickets and engage with fans around the world.
“The Mike Stud Project” is produced by Den of Thieves, executive produced by Jesse Ignjatovic, Evan Prager and Alexandra Lipsitz and co-exec produced by Jordan Barrow, Jared Morell and Austin Rosen.
GREENLIGHTS: Esquire Network has ordered eight-episode docu-series “The Mike Stud Project,” taking viewers inside the world of Mike Stud – a Duke-educated, former All-American baseball player who unexpectedly turned to music after an injury robbed him of his lifelong dream to play pro ball.
Deals with Fox and Eads were renegotiated after two years and a raise was offered for this fifth season although there was no contractual obligation to do so, he said.
The actors reportedly wanted a raise in their 0,000-per-episode pay.
Asked if he was concerned about damage to one of TV's top-rated series, Moonves said, "Of course." Later, he said it was possible cast members Eric Szmanda and Paul Guilfoyle might play bigger roles.
Last year, "Everybody Loves Raymond" star Brad Garrett successfully staged a salary walkout.