![left to right) Polly Walker, Rochenda Sandall and Maya Sondhi at a photo call for Line of Duty, during the BFI and Radio Times Television Festival at the BFI Southbank, London Stock left to right) Polly Walker, Rochenda Sandall and Maya Sondhi at a photo call for Line of Duty, during the BFI and Radio Times Television Festival at the BFI Southbank, London Stock](https://c8.alamy.com/comp/T435A2/left-to-right-polly-walker-rochenda-sandall-and-maya-sondhi-at-a-photo-call-for-line-of-duty-during-the-bfi-and-radio-times-television-festival-at-the-bfi-southbank-london-T435A2.jpg)
left to right) Polly Walker, Rochenda Sandall and Maya Sondhi at a photo call for Line of Duty, during the BFI and Radio Times Television Festival at the BFI Southbank, London Stock
![Line Of Duty: Fans come up with new 'blinking theory' as proof Gill Biggeloe is 'H' | Daily Mail Online Line Of Duty: Fans come up with new 'blinking theory' as proof Gill Biggeloe is 'H' | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/04/29/15/12863496-0-image-a-193_1556548026078.jpg)
Line Of Duty: Fans come up with new 'blinking theory' as proof Gill Biggeloe is 'H' | Daily Mail Online
![Line of Duty on Twitter: "Polly Walker @PollyWalkerUK plays 'Gill Biggeloe' #LOD3 @BBCTwo @bbctwoni Starts Thursday 24th March @ 9PM https://t.co/GD9v8Uyw2o" / Twitter Line of Duty on Twitter: "Polly Walker @PollyWalkerUK plays 'Gill Biggeloe' #LOD3 @BBCTwo @bbctwoni Starts Thursday 24th March @ 9PM https://t.co/GD9v8Uyw2o" / Twitter](https://pbs.twimg.com/media/Cdrtm7xWoAEuYbH.jpg)
Line of Duty on Twitter: "Polly Walker @PollyWalkerUK plays 'Gill Biggeloe' #LOD3 @BBCTwo @bbctwoni Starts Thursday 24th March @ 9PM https://t.co/GD9v8Uyw2o" / Twitter
![Line of Duty recap: series five, episode four – one hell of a mess to clean up | Television & radio | The Guardian Line of Duty recap: series five, episode four – one hell of a mess to clean up | Television & radio | The Guardian](https://i.guim.co.uk/img/media/86b756cab18b449f94e51aab38645829285ce2f6/0_109_4284_2570/master/4284.jpg?width=445&quality=85&dpr=1&s=none)
Line of Duty recap: series five, episode four – one hell of a mess to clean up | Television & radio | The Guardian
![Dan Walker Twitter: BBC Breakfast host predicts Line of Duty's Gill Biggeloe is H | Celebrity News | Showbiz & TV | Express.co.uk Dan Walker Twitter: BBC Breakfast host predicts Line of Duty's Gill Biggeloe is H | Celebrity News | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/79/590x/Dan-Walker-on-line-of-duty-final-1123243.jpg?r=1557094199564)
Dan Walker Twitter: BBC Breakfast host predicts Line of Duty's Gill Biggeloe is H | Celebrity News | Showbiz & TV | Express.co.uk
![Line of Duty star Polly Walker on playing Gill Biggeloe | Will Gill be back? Did she guess the ending? | Radio Times Line of Duty star Polly Walker on playing Gill Biggeloe | Will Gill be back? Did she guess the ending? | Radio Times](https://images.immediate.co.uk/production/volatile/sites/3/2019/05/17617357-low_res-line-of-duty-series-5-2f627d4.jpg)
Line of Duty star Polly Walker on playing Gill Biggeloe | Will Gill be back? Did she guess the ending? | Radio Times
![Line of Duty star Polly Walker on playing Gill Biggeloe | Will Gill be back? Did she guess the ending? | Radio Times Line of Duty star Polly Walker on playing Gill Biggeloe | Will Gill be back? Did she guess the ending? | Radio Times](https://images.immediate.co.uk/production/volatile/sites/3/2019/04/17617316-low_res-line-of-duty-series-5-efba28a.jpg)
Line of Duty star Polly Walker on playing Gill Biggeloe | Will Gill be back? Did she guess the ending? | Radio Times
![Line of Duty's Polly Walker hints that Gill Biggeloe will return next series as Eamonn Holmes reveals where her safehouse is in Belfast | Flipboard Line of Duty's Polly Walker hints that Gill Biggeloe will return next series as Eamonn Holmes reveals where her safehouse is in Belfast | Flipboard](https://www.thesun.co.uk/wp-content/uploads/2019/05/CL-COMP-POLLY.jpg?strip=all&quality=100&w=1500&h=1000&crop=1)