six degrees

LOL this is soo easy. Both are starred on The Little Prince. Try Blake Lively 

blake lively-green hornet-ryan reynolds-adventureland-kristen stewart-breaking dawn-mackenzie
Next:tom hanks

Mackenzie Foy -> Interstellar -> Matt Damon -> Saving Private Ryan -> Tom Hanks

Next: Ben Stiller

Mackenzie Foy -> Interstellar -> Matthew McConaughey -> Tropic Thunder -> Ben Stiller

Next:Mila Kunis

http://www.imdb.com/list/ls071631162/

Mackenzie Foy -> The Conjuring -> Joey King -> The Oz Great And Powerful -> Mila Kunis

Next do Channing Tatum

Mackenzie Foy -> The Conjuring -> Joey King -> White House Down -> Channing Tatum

Next Jennifer Lawrence.

http://www.imdb.com/list/ls071631162/

which jennifer lawrence?

Jennifer Lawrence (III)=The Hunger Games: Mockingjay-Part 1=Donald Sutherland-Space Cowboys=William Devane=Interstellar=Mackenzie Foy

Next......Edie Martin (I)

Wait here. I get dressed, I kill them, I come back.