Thomas & Sarah is a British drama series that aired on ITV in 1979. A spin-off from the BAFTA Award-winning series Upstairs, Downstairs, it stars John Alderton and Pauline Collins reprising their Upstairs, Downstairs roles.

John Alderton is an English actor. He is best known for his roles in Upstairs, Downstairs, Thomas & Sarah, Wodehouse Playhouse, Little Miss, Please Sir!, No, Honestly and Fireman Sam. Alderton has often starred alongside his wife, Pauline Collins.