Alex Kingston On David Tennant

Proving my long held stand that Ten had zero chemistry with River Song, we have Alex Kingston hopping on the Matt Smith is a great actor bandwagon. I believe her when she says David gave her nothing. He gave us nothing either re: River...in my opinion. I simply feel that was an acting choice on his part, because River was so offensive at that particular moment in the Doctor's life. Ten loved Rose and couldn't imagine loving another woman, ever. And David understood that as an actor, which RTD and Moffat apparently didn't understand. To my way of thinking that is what makes him such a great actor.

http://www.digitalspy.com/cult/s7/doctor-who/news/a213385/alex-kingston-matt-smith-is-sexy.html