John Ronane (born 11 December 1933) is a British actor.
Starred in the Emmy-nominated "War of Children" for CBS.
In the UK, he was a regular character in Granada TV's Strangers between 1978–82, playing Detective Sgt Singer. He has appeared onstage in the West End, in movies in Hollywood and Europe, on the BBC, on radio and television, and was a member of the Royal Shakespeare Company.
He appeared in the television mini-series The Six Wives of Henry VIII and Elizabeth R as Thomas Seymour.
His films include King Rat (1965), Charlie Bubbles (1967), Some May Live (1967), Sebastian (1968), Nobody Ordered Love (1972), and the 1975 remake of The Spiral Staircase.
Other TV credits include: Z-Cars, Dixon of Dock Green, The Saint, The Avengers, Department S, Strange Report, The Persuaders!, Out of the Unknown, Survivors, starred in 'Trust Red' in The Sweeney, 1990, All Creatures Great and Small, Juliet Bravo, Howards' Way and Press Gang.