As of August 2026, Alexander Armstrong is best known for Doctor Who and Hey Duggee. Find every show and movie Alexander Armstrong has starred in — and where to watch them — below.

Alexander Armstrong

Actor Born 1970 Rothbury, Northumberland, England, UK 7 TV Shows 8 Movies

Alexander Henry Fenwick Armstrong is a British comedian, actor and television presenter.

Alongside acting, Alexander Armstrong is also known as a comedian.

Alexander Armstrong's most notable role to date came in Match Point (2005), where he played Mr. Townsend. He also appeared in Doctor Who (2005) as Mr Smith (voice). Most recently appeared in Scoop (2006) as Cop.

Fans wanting to catch up on Alexander Armstrong's work can find exactly where his shows and movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.