New Delhi, Aug. 23 -- David Ketchum, the American actor, comedian and voice artist best known for his role as Agent 13 in the classic 1960s sitcom 'Get Smart', has died at the age of 97. He passed away on August 10, his family recently confirmed.

Ketchum enjoyed a long and varied career in television, film, and voice acting, gaining popularity in the 1960s for his comedic roles. A familiar face on American television, he appeared in series such as 'Camp Runamuck', 'I'm Dickens', 'He's Fenster', and 'The Mary Tyler Moore Show'.

He made his acting debut playing the camp counsellor Spiffy in 'Camp Runamuck', before joining the cast of 'I'm Dickens', 'He's Fenster' as Mel Warshaw.

However, it was his role as the often-disguised Agent 13 in...