Misc: what's a fisherman's bend, or bucket hitch??

Questions

who on tv played jeeves to hugh lawrie's bertie wooster?

which role was played by tim mcinerny on tv's 'blackadder iv'?

which television and radio personality wrote the historical novel credo in 1996?

in the television series the prisoner, what seas patrick mcgoohan's number?

what was the name of the police character played by roy scheider in the film jaws?