6. Semesa Rokoduguni
Military background? Check. You need his experience in your crew.
5. Beauden Barrett
In a zombie apocalypse, you DO NOT want to be near too many other people. And perhaps no one in the world of rugby is better at finding space than the All Black fly-half. If his ability on the field translated to the barren fields of a post-apocalyptic world, he would be just fine.
4. Chris Ashton
Zombies would be much more afraid of being bitten by Ashton than he would be of them.