▁of ▁Seven . ▁Web b ▁provided ▁all ▁of ▁the ▁voices ▁on ▁One ▁Out ▁of ▁Seven , ▁often ▁vig or ously ▁attack ing ▁ra cial ▁pre jud ice . ▁ ▁Web b ' s ▁most ▁famous ▁motion - picture ▁role ▁was ▁as ▁the ▁combat - hard ened ▁Marine ▁Corps ▁dr ill ▁instruct or ▁at ▁Par ris ▁Island ▁in ▁the ▁ 1 9 5 7 ▁film ▁The ▁D . I ., ▁with ▁Don ▁Dub b ins ▁as ▁a ▁call ow ▁Marine ▁private . ▁Web b ' s ▁hard - n osed ▁approach ▁to ▁this ▁role , ▁that ▁of ▁Dr ill ▁Inst ruct or ▁Techn ical ▁Serge ant ▁James ▁Moore , ▁would ▁be ▁reflected ▁in ▁much ▁of ▁his ▁later ▁acting . ▁But ▁The ▁D . I . ▁was ▁a ▁box - office ▁failure . ▁ ▁Web b ▁was ▁approached ▁to ▁play ▁the ▁role ▁of ▁Vern on ▁W orm er , ▁Dean ▁of ▁Fab er ▁College , ▁in ▁National ▁Lam po on ' s ▁Animal ▁House , ▁but ▁he ▁turned ▁it ▁down , ▁saying ▁" the ▁movie ▁didn ' t ▁make ▁any ▁dam n ▁sense "; ▁John ▁Vern on ▁ultimately ▁played ▁the ▁role . ▁ ▁Drag net ▁and ▁st ard om ▁ ▁Web b ▁had ▁a ▁featured ▁role ▁as ▁a ▁crime - lab ▁techn ician ▁in ▁the ▁ 1 9 4 8 ▁film ▁He ▁Walk ed ▁by ▁Night , ▁based ▁on ▁the ▁real - life ▁murder ▁of ▁a ▁California ▁Highway ▁Pat rol man ▁by ▁Er win ▁Walker . ▁The ▁film ▁was ▁produced ▁in ▁sem id ocument ary