Visible crew/equipment: In the beginning when the man comes climbing down the ladder you can see a tape marker on the floor. When it cuts it's gone. (00:01:10)
Visible crew/equipment: When Rains wakes up she stands up and shouts "Where is she? What have you done with her?" you can see the camera's shadow moving on her. (00:18:10)
Answer: No, the director himself has stated they're not the same person, however they wanted to show that Kazan wasn't always like that, he went through the same lobotomy that Wynn did It also, when viewed in that aspect, gives a much darker perspective to the ending of cube 1 when you realise that the "white room" was NOT an auxiliary exit, but rather one just like the room from Cube: Zero where the "god" question would be asked.