Gavin And Stacey Sonia Actress 2025 Actress. The finale actually concerns smithy's upcoming wedding to sonia (laura aikman),. Laura aikman, who played sonia in the gavin and stacey finale, described the lengths reached to keep her appearance in the show under wraps.

Laura aikman, who plays sonia, was one of the most. A gavin and stacey star has revealed how sonia was ‘kept a secret from the cast’ as the crew went to extreme lengths to keep her return hidden.