Yes , a Voice-Actor will have to travel to the recording studios location because the studio will have an extensive array of recording/editing machines as well as a physical location where the voice-director will give advice and direction .
Voice overs are a great way to give a "feel" to something, because you obviously cannot see the person, so the voice is setting the mood, tone, or atmosphere. I would say yes, but choose wisely.
Clearly it has to be Joanna Lumley!
No
Vincent Price
Joey deGraw
The voice talent you seek is British voice actor, Nicholas Briggs.
Chris Kelley www.getmechriskelley.com
Jeff Bridges
Mike Rowe .
Lindsey Lohan
Sam elliot
Sean Bean