Let's make this birthday one to remember.

71 years old (Born on October 27, 1953)

Happy Birthday Peter Firth! Like a true Spook, another year sneaks by—yet you remain as timelessly commanding and sharply intriguing as Sir Harry Pearce himself. You've led the MI5 team with iron resolve through conspiracies, crises—and countless cups of tea—with legendary poise.

Whether unraveling spy mysteries or stealing scenes on screen and stage alike, your portrayal continues to captivate fans worldwide. May each candle lit today represent not just age—but intensity rivaling those unforgettable interrogations from "Spooks."

Keep dominating our screens; clearly you've perfected espionage skill number one: never aging publicly! Cheers to more thrilling performances ahead.