That is likely to be Williams' Cardiff Blues team-mate Robin Sowden-Taylor, but the 25-year-old may have to continue his wait while Charvis is in form.
Williams' place in the side is taken by Robin Sowden-Taylor after the Wales veteran ironically revealed his double mission to break his cup final duck.
But then the home side lost back-row Robin Sowden-Taylor to the sin-bin for slowing down ball, Priestland kicking the resulting penalty for a 11-6 lead at half-time.
Arsenal's best chance of the first half came just before the break when Robin van Persie diverted a Kolo Toure cross straight at Blues keeper Maik Taylor.