Allen Leech & Michael Fox On 'Wild' Downton Abbey 2 Nights

'Downton Abbey' Star Allen Leech Is Married To A Leo DiCaprio Superfan

The Kelly Clarkson Show

Allen Leech does impressions of Downton Abbey colleagues

Allen Leech Doesn't Mind the Niall Horan Comparison

The Late Late Show with James Corden

The Best of Allen Leech as Tom Branson | Downton Abbey

Allen Leech and Rob James Collier having the best bromance for 6 minutes

Elizabeth McGovern & Allen Leech’s Least Favorite ‘Downton Abbey’ Storylines | WWHL

Watch What Happens Live with Andy Cohen

How to Know if Dame Maggie Smith is in a Bad Mood | WWHL

Watch What Happens Live with Andy Cohen

60 Seconds With...Allen Leech

Allen Leech Reveals The Romantic Story Of How He Met His Wife At An EW Party! | PeopleTV

'Downton Abbey': Are the stars posh or not?

"Downton Abbey" With American Accents Is Bizarre

The Late Show with Stephen Colbert

Will Lady Mary and Branson get together? Alan Leech | The Late Late Show | RTÉ One

RTÉ - IRELAND’S NATIONAL PUBLIC SERVICE MEDIA

Allen Leech from 'Downton Abbey' impersonates Maggie Smith

Downton Abbey's Allen Leech and Michelle Dockery on Their Craziest Fan Encounters (Exclusive)

Entertainment Tonight

Elizabeth McGovern & Allen Leech Dish on Wrap Parties | WWHL

Watch What Happens Live with Andy Cohen

Interview: Allen Leech on Tom Branson | Downton Abbey

"It's like mothers milk" Allen Leech on a pint of the black stuff | The Late Late Show | RTÉ One

The Late Late Show

How Well Does the Downton Abbey Cast Know One Another? | Vanity Fair Game Show

'Downton Abbey' Star Allen Leech's Favorite Maggie Smith Lines & His Best Scene | TODAY Originals