A Nice Warm Welcome To Jenna-Louise...
Personally, I think this is a good move. Jenna isn't that much of an unknown quantity, due to roles in Emmerdale and the AWARD WINNING Waterloo Road, so at least we know that we're getting someone decent. I think it's fair to say that she's more of an experienced actress than Karen, Freema or Billie were at this point in their careers. If she nailed her audition as well as we hear, then don't worry - she'll be good and hopefully, a nice change!
Even more personally, I wanted to have a different sort of companion this time around. I'm sure other people are getting sick of the 'attractive, young female' route that Doctor Who seems to go down. It's a sad reflection of society when a television program needs to these people to appeal to an audience. I find it wholly ironic that one of the best companions done on Big Finish audio, is a 50 year-old woman. See, it works! But lets face it, we're never going to get a character so old, so wise, so able to stand up The Doctor. Doing something different should be the hallmark of Doctor Who, but sadly, it isn't any more.
But whatever happens, I do hope Jenna won't be a run-of-the-mill modern day girl, or using wishful thinking, not even human!
I just hope she has braced herself for life in Doctor Who. Welcome to the madness.