David Threlfall

David Threlfall is a British actor and director best known for playing Frank Gallagher in the Channel 4 series Shameless from 2004 to 2013 and for his portrayal of the title character in the National Theatre's production of Smike. Born in Manchester in 1953, he trained at the Manchester School of Theatre. His other credits include the BBC series Diana and I, Troy: Fall of a City, and Ripper Street.