Genevieve Bujold isn't that big a name. Whoever cast her should have his/her head examined.![]()
By big name, I mean to a casting director/producer, not necessarily to general audiences. Bujold is an Academy Award-nominated actress, something that tends to dazzle TPTB and was likely all they thought they needed to know until they actually started filming. "Oooo, she was up for an OSCAR! This means she can handle ANY role!" They probably would've pointed out her nomination in half of Voyager's ads in hopes of drawing more interest if she'd stayed.
It certainly was a stupid move on their part, but I think the few days they actually filmed with her probably taught them a lesson.