David Letterman delivered a fiery rant against CBS and parent company Paramount for cancelling Stephen Colbert’s “Late Show,” calling the decision “gutless” and “pure cowardice” as he labeled his successor a martyr of the network.

David Letterman, who created The Late Show 32 years ago, has slammed CBS and Paramount for canceling the Stephen Colbert-hosted show.

Sandra Oh criticized CBS and Paramount during her appearance on 'The Late Show with Stephen Colbert' on July 21 after its cancellation was announced. The network said it was "a financial decision," but the news came days after Colbert criticized Paramount for its $16 million settlement with President Donald Trump.

CBS said the cancellation wasn't related to "content or other matters happening at Paramount." Paramount controversially agreed to settle a lawsuit brought by Trump over a "60 Minutes" interview with then-presidential candidate Kamala Harris.

David Letterman didn't hold back in calling out Paramount for acting out of "cowardice" in canceling his former CBS program, "The Late Show."

CBS canceled Stephen Colbert’s late-night show. Democrat Minnesota Gov. and failed vice-presidential candidate Tim Walz, who recently appeared on the

The View" co-host Sunny Hostin suggested on Tuesday that the decision to cancel “The Late Show with Stephen Colbert" could lead to the end of democracy.

CBS parent Paramount insists that this week's decision to cancel Steven Colbert's “Late Show” was strictly financial, and had nothing to do with politics.