Tennant: 'Jenna-Louise Coleman will have a great time on Doctor Who'
Former Doctor Who star David Tennant has congratulated new companion Jenna-Louise Coleman.
The 25-year-old actress was unveiled to the public on Wednesday (March 21) and will join the sci-fi drama at Christmas.
Tennant told. "She'll have a brilliant time. I'm very jealous of [someone] starting out on that extraordinary journey."