While the Adventures of Sir Lancelot does not appear to have had its own dedicated trade card set at least the following card sets contained cards relating to the series. Snap card products Ltd. issued as part of a larger set of cards relating to various different series, one card of William Russell, card 34, in The Adventures of Sir Lancelot, is in its ATV stars set as is also a card featuring Jane Hylton (Queen Guinevere) on card 42.

While card 62 in the Who-z-at Star set also from Snap card productions featured William Russell, he also featured on the reverse of card 10, Tommy Cooper.

The Ice Cream Company Mister Softee, produced a set of TV Personalities cards in 1962, this also contained William Russell as Sir Lancelot on card 21.