TF5178 - T50
Colion Firth wears a Tom Ford TF5178 in A single Man movie (2010)
RB8313 - T61
The English actor Colin Firth wears a Ray Ban RB8313.
Cutler and gross
0822 - T50_EN
Colin Firth wears Cutler and Gross tortoises hell acetate square-frame eyeglasses in the movie Kingsman: The Secret Service. (2015). It was a special edition only for the movie but you could buy the 0822 which is very similar.