sentences:  As Kaye was slow to make a full recovery, the whole show's future was in doubt.Even when the seventh series did come about, it brought some changes.David Croft left the series, with Paul Adam taking over the co-writing; Mike Stephens became the producer for the show; Robin Parkinson took over the role of Ernest LeClerc from Derek Royle, who had died in 1990; Roger Kitter replaced Gavin Richards as Bertorelli; and the series also saw the reappearance of Sam Kelly as Captain Hans Geering, though only for one episode.