Yes, same guy. That identification of people was something I thought this movie really dropped the ball on. Either I missed names, or more often, they didn't give them. I'm not sure if we got an edited version from the original but I found it confusing and choppy at times.
I have to confess, the Xanadu bits in the commercial drew me in; even though it was just a glimpse I was so impressed by how well they seemingly recreated the set I just had to see it. And I've been a fan of Olivia's since her early radio days, so I was in, even though I didn't think Delta Goodrem resembled Olivia at all (I just kept seeing Jennifer Lopez). My goodness, the poor woman was saddled with some truly terrible wigs. Her singing was lovely, but I don't think she particularly sounded like Olivia, it pretty much could have been a movie about anyone. I actually think the younger actress was a much closer match (especially based on photos shown in the biography that followed).
But back to Xanadu, it took me about halfway through the scene to realize the reason I though Delta was doing such a good job in particular spots was because is wasn't her, it was Olivia - they used actual movie clips for all the wide shots and only had Delta, the actor playing Matt and other dancers in close up. Explained a lot.
Overall, it was fine. Finding out it wasn't made by Lifetime, but imported, explains a lot.