The phrase "although it was actually" is correct and usable in written English.
It can be used to introduce a contrast or clarification about a situation or statement that may not be immediately apparent.
Example: "The movie received poor reviews, although it was actually quite entertaining."
Alternatives: "even though it was truly" or "despite it being actually".
"It was four straight offensive fouls on calls against us," Anderson said, although it was actually three.
HE took exactly one shot in Madison Square Garden, although it was actually more of a chuck.
"Be not inhospitable to strangers, lest they be angels in disguise," was one, which he attributed to Yeats, although it was actually a variation on a biblical passage.
The radio was, in a sense, our other principal pastime, although it was actually more of an incessant obbligato to whatever else was going on.
Araevo, a Greek-owned oil tanker, was bombed by the Libyan air force while moored in the eastern Libyan port of Derna for "acting suspiciously" (although it was actually chartered by the local power station).
Posted in the United States on the soc.culture.thai news group, which is devoted to discussions about Thailand, the message was said to have made rude and offensive allusions to Mr. Godfrey's personal life and purported to have come from Mr. Godfrey himself, although it was actually a forgery.
Although it is actually five stories, it looks more like three.
Although it is actually Tom's Restaurant I changed it to "diner" as it sings better.
The landscape in which they appear is sumptuously Gauguinesque, although it is actually based on Giorgione's disturbingly unfathomable Tempest.
As a 1966 memo to the White House put it, the area "is being administered by Mexico although it is actually part of the United States".
Writers' tips are usually about revision and rewriting; daydreaming is rarely mentioned, although it is actually a far more important part of the process.
