 On the day of shooting, director Michael Anderson (I) (qv) and  producer Saul David (I) (qv) decided that Logan should look more  "casual" for the first scene in his apartment. Costume designer  Bill Thomas (I) (qv) threw together Logans black house robe in  about two hours while the set was being lit. Michael York (I) (qv)  kept the robe as a souvenir after filming.