google.com, pub-ca-pub-6067120031842370, DIRECT, f08c47fec0942fa0 William Russell William Russell is the man the production crew chooses for the role of Ian Chesterton in 1963. I don’t know the process or the how many men got to audition. So, why they chose him I can’t tell you. I feel that he really must have fit the mold of the person they were casting. Otherwise, they would have give the role to some  else. Consequently with the circumstance surrounding the missing episode and…