Lets grade the characters **SPOILERS**

**** SPOILERS **** Noomi/Shaw - she carry the movie on her back , she have to do everything : be emotional , be heroic , be sweet .... she overact a bit but she works ... 8,5 out of 10 Fassbender/David - a great work , even because he play a "machine" ...by far more deep in his being "not human" than Ash or Bishop ...often an android , sometimes an evil kid ...9 out of 10 Elba/JAnek - the most charismatic , he totally dominate every scene hes in , unfortunatly he do really little action ... 9 out of 10 Theron/Vickers - a totally flat and exagerately cold character , she dont work to me ....5 out of 10 Pearce/Weyland - another flat derivative character .... really there was no need to use this great actor ...luckily we have the TED speech 5 out of 10 HArris/Fifield - he and Milburn looks like Stan Laurel and Oliver HArdy ..but thats not bad ...they are funny and they give birth to 2 of the most gore moments ...very stereotyped character but enjoyable 7 out of 10 Spall/Milburn - like Harris . 7 out of 10 the co-pilots - very little screen time but they make gold of it ....but veeery little screen time 6 out of 10 Ford - she act well but her character is really poor written ... 5 out of 10 The Engineers - hum ... hard to say ... a difficult task to make a humanoid that scare ...and in that it fail ..they dont scare BUT are very well done , fantastic makeups . More than the bad guys are the silly guys ...dont forget that their DNA created mister bean too ... 6 out of 10 The Cobralien - brief but intense ... 7 out of 10 The Squid - hummm ... too much a squid ..too much an octopuss ... 6 out of 10 The mutated guys - the makeups of mutated Halloway and Fifield is really excellent 9 out of 10