From Total Film Magazine

0 – Times Paul McGann’s "I" is referred to by his real name during the film (it’s Peter Marwood, incidentally).

0 – Films Richard E. Grant had auditioned for prior to reading for Withnail.

1 – Times Richard E Grant has been drunk (teetotaller Grant got sloshed once on the orders of director Bruce Robinson, who believed he needed a "chemical memory" of being hammered to play Withnail.

1 – Times Paul McGann was sacked during shooting (unhappy with his performance, Robinson fired him. He was then allowed to re-audition and was promptly rehired.)

2 – Jimi Hendrix songs that appear on the soundtrack. ("All Along The Watchtower" and "Voodoo Child").

3 – Pubs we see Withnail drinking in (surprisingly few for a film associated with alcohol).

3 – Actors also in the running for the role of Withnail (Kenneth Branagh wanted the part but Robinson thought he would make a better "I". Daniel Day Lewis and Michael Maloney were both offered the role but turned it down).

12 – At the very least, the number of skins to roll a Camberwell Carrot.

14 – Pounds Richard E Grant was asked to lose to recreate the appearance of an alcoholic.

18 – Pounds Grant gained in the 18 months previous to Withnail and I, convinced his puny physique was losing him roles.