The phrase "actor declares" is correct and usable in written English.
It can be used when referring to a statement or announcement made by an actor, often in the context of a performance, interview, or public statement.
Example: "In a recent interview, the actor declares his commitment to environmental activism."
Alternatives: "actor states" or "actor announces".
There's always a whiff of gap year-style indulgence whenever a Hollywood actor declares they're going to slum it as a rock star (River Phoenix, Keanu Reeves, Juliette Lewis).
To underscore the message, the names of cities, states and countries are mashed up, or mixed together, in fanciful combinations, as when the actor declares how AT&T meets his needs as he travels through "HollyyorkazonaSouthAmeriland".
"The audience, the collective personality of people who will most likely never be in the same room again together, is the last cast member in the show," the actor declares.
An advertisement titled "Chuck Norris Approved," featured the actor declaring his support and closed with, "I'm Mike Huckabee and I approved this message.
The issue was resolved when the actor declared "I have come to the conclusion that badgers move very much like Michael Bryant".
The New Yorker heralded his performance as "the birth of a major actor", declaring, "His face, voice and manner are among the most iconic presences of the cinematic year".
On Monday, on the eve of Israel's closely-fought election, incumbent Benjamin Netanyahu found himself the recipient of such aid when the 75-year-old tough guy actor declared his support "I watched Prime Minister Netanyahu's speech before Congress, and I saw a man who loves his country with all his heart and soul.
"I'm gonna say one thing: Fuck Trump," the actor declared.
At the end, as one of the actors declared the election "The most shameful thing America's ever done", Rock and Chappelle laughed and laughed.
But as the Culture Secretary, James Purnell, declared that it was time to "reclaim the word 'excellence' from its historic elitist undertones", actors declared a vote of "no confidence" in the Arts Council, the body responsible for handing out arts funding.
To some extent, it worked, producing headlines such as "Actor Kevin Spacey declares he lives life as a gay man".
