With the fourth season already over, Orphan Black decided to have a bit of fun at its Comic-Con panel. In addition to forcing the actors to ad-lib scenes as their characters, BBC America released a blooper reel which has got to be a constant problem for Tatiana Maslany,.
The specific blooper features Maslany, as Cosima, talking into a phone and telling the person on the other end that they need to talk to Cosima.
Mixing up the names of people you’re close to—friends, family, kids, etc.—is a pretty common phenomenon. Less common is when you mix up the names of the characters you’re playing as you’re playing them. That has to be a problem that very, very unique to Tatiana Maslany.