Now, here’s where things get interesting. We all know there should be seven castaways, right? But if you take a closer look at two separate shots in the opening credits, there are actually eight people on the boat! So, who are these mysterious extras? Turns out, they’re stand-ins, used just to get those wide shots from a distance.

The real actors weren’t actually on the boat for these particular scenes, and those extras helped make the magic happen, according to some reports. This sneaky blooper has been missed by many fans, but now you’re in on the secret!