Seasoned London-born character actor, who had a lengthy career in American films and on television. The son of an Anglo-Italian music professor, Cyril also had a secondary career in Hollywood as a respected drama coach, engaged by 'Douglas Fairbanks 's elderly grandfather Nonno - 'the oldest working poet in the world' - for which he received a Golden Globe Award nomination.
Cyril Delavantis daughter Kitty was married to ace serial director and writer Ford Beebe.