Below is a list of television series and mini-series that Ben has starred in. They are listed in reverse-chronological order, with the most recent ones last. Click on the titles to read more about each project individually.
| 2000 | Black Cab | Ryan |
| 2000 | Other People’s Children | Sully |
| 2005 | Nathan Barley | Pingu |
| 2008 | Criminal Justice | Ben Coulter |
| 2012 | The Hollow Crown | King Richard |
| 2011-2012 | The Hour | Freddie Lyon |
| 2014 | Playhouse Presents | Ezra |
| 2015 | London Spy | Danny |
| 2017 | Queers | Perce |
| 2018 | A Very English Scandal | Norman Scott |
| 2020 | Fargo | Rabbi Milligan |
| 2020 | Paddington | Paddington |