Sean Harrison Jones. Sean Harrison Jones was 34 in I Knew Him Well as 'Mark'.Christopher Crockett-Sears. Christopher Crockett-Sears was >> in I Knew Him Well as 'Young Man (uncredited)'.Sean Harrison Jones. Sean Harrison Jones was 34 in I Knew Him Well as 'Director, Writer'Dave Quay. Dave Quay was >> in I Knew Him Well as 'Producer, First Assistant Director'Joe Gabriel. Joe Gabriel was >> in I Knew Him Well as 'Director of Photography'David Lambert. David Lambert was >> in I Knew Him Well as 'Executive Producer'Phillip Rex Huddleston. Phillip Rex Huddleston was >> in I Knew Him Well as 'Original Music Composer'Brooks Tipton. Brooks Tipton was >> in I Knew Him Well as 'Original Music Composer'Jennifer Pappas. Jennifer Pappas was >> in I Knew Him Well as 'Production Manager'