Terry John is a British actor best known for playing Percy in Oh, Doctor Beeching!. He began acting in The '80s, appearing in three episodes of the mini-series Wolcott.

The rest of the decade for John contained guest shots in Bergerac, CASUAL+Y, A Very British Coup, and Minder. In The '90s, John made 5 different appearances in The Bill (and would play a further three characters in the next decade). Further guest roles came in Lovejoy, EastEnders, As Time Goes By, Pie in the Sky, and Backup.