<P> In film , Walker 's roles have tended to be smaller supporting parts . Her most prominent role has been as the irritating folk singer in Four Weddings and a Funeral ( 1994 ) , who sings `` Ca n't Smile Without You '' at the first wedding . She also appeared in the feature film adaptation of the classic television series Thunderbirds ( 2004 ) . </P>
<P> In film , Walker 's roles have tended to be smaller supporting parts . Her most prominent role has been as the irritating folk singer in Four Weddings and a Funeral ( 1994 ) , who sings `` Ca n't Smile Without You '' at the first wedding . She also appeared in the feature film adaptation of the classic television series Thunderbirds ( 2004 ) . </P>
who did nicola walker play in four weddings and a funeral
who did nicola walker play in four weddings and a funeral
the irritating folk singer
the irritating folk singer