Acting
Mark was born in Horne, Surrey to farmer and amateur entertainer Bernard Kempner, and former land-girl Mary Kempner. He went to Michael Hall school, and excelled in particular, in the many drama classes. Mark worked on the family farm until meeting wife Anna at 18. They married in 1982. They have two children, both of whom are also professional actors. Soon after leaving school, Mark worked on a Kibbutz in Israel for a year and in that time, started up a touring comedy drama group. The group toured other Kibbutz's performing comedy sketches.

The Long Walk Home
as Richard

Criminal
as Black Cab Driver

Doctor Who: Deep Breath
as Cabbie

The World's End
as Publican 2

The Murder in Angel Lane
as Toby Boyle

Everyone's Going to Die
as The Mark

Sightseers
as Stranger In Pencil Museum

Kill List
as The Librarian

Down Terrace
as Berman
Distant Shadow
as Franco

The Lord of the Rings: The Rings of Power
as Old Prisoner · 1 ep.

Ted Lasso
as Kenneth the Bus Driver · 4 ep.
Comedy Blaps
1 ep.

Doctor Who
as Cabbie · 1 ep.

Peep Show
as Driving Test Examiner · 1 ep.

Wycliffe
as Auctioneer · 1 ep.

Pie in the Sky
as Racecourse Official · 1 ep.

Casualty
as Jez Humphries · 1 ep.
Sightseers
2012