The phrase "actually halted" is correct and usable in written English.
It can be used to indicate that something has been stopped or interrupted in a definitive manner, often in contrast to what might have been expected.
Example: "The project was initially set to continue, but it was actually halted due to budget constraints."
Alternatives: "truly stopped" or "effectively ceased".
At $115 million in 2002 money, Windtalkers was a big risk, and it was meant to be John Woo's rise to total domination of Hollywood after the successes of Face/Off and Mission: Impossible 2. Huge and bloated, with CG planes, and more fiery explosions than the actual war had, its failure actually halted John Woo's rise.
Mr. Broom's case is extraordinary because his execution was actually halted and he was returned to death row.
We have found that North Korea actually halted key elements of its nuclear program, thereby decreasing the threat posed by what was a rapidly expanding program in 2017.
Contrary to what we have heard in the media, North Korea has actually halted and rolled back some nuclear activities, with the most important being the end of nuclear and missile testing, which in turn, has significant consequences.
But his stark warning came at least a month or two after he had first been told about fresh indications that Iran had actually halted its nuclear weapons program.
Martin Flumenbaum, a lawyer for the Madoff sons, noted that his clients had actually halted the fraud by quickly turning their father in, and had continued to cooperate fully with the investigation.
But it didn't actually halt progress: discoveries were made and solutions found.
"That's near Nebraska, isn't it?" Omaha is one of those ultimate flyover places, an urban Podunk so vaguely situated in coastal Americans' mental maps that the mere mention of it can actually halt conversation.
Apple had to actually halt the iPhone 4S launch in China as crowds became unruly when it made it available to China Unicom customers in January.
This, confusingly, doesn't actually halt the pace of VirnetX's patent case: the invalidation is not legally binding until all appeals have been exhausted (and separately that case appears to still be ongoing).
Previous launches of iPad and iPhone devices in China have sparked a crazy response from enthusiastic consumers, with huge crowds and aggressive scalpers causing Apple to actually halt sales at one point when it launched the iPad 2. Since then, Apple has opened more retail locations, and will have probably set up more careful systems to try to avoid the same thing happening again.
