Answer
Leslie Phillips famously uttered the catchphrases "Ding dong" and "Hello" in the Carry On film series, a long-running British comedy film franchise known for its innuendo-laden humor and slapstick comedy. He also used these catchphrases in the Doctor in the House comedy film series, which focused on the lives of medical students and their romantic entanglements. Both film series showcased Phillips's comedic timing and talent for delivering memorable one-liners.