He was frequently crammed into airport lockers, popcorn machines and grandfather clocks as Agent 13, the long-suffering spy.

He also starred on 'I'm Dickens, He's Fenster' and 'Camp Runamuck' and wrote for nearly four dozen shows, from 'Hey, Landlord ...

The comedic actor also penned episodes of "MacGyver," "The Love Boat," "Laverne & Shirley," "M*A*S*H," and "Full House." ...

David Ketchum, a voice actor and comedian who played Agent 13 on “Get Smart” and appeared in “Camp Runamuck,” died on Aug. 10 ...

Ketchum played Agent 13 on 'Get Smart' and, in addition to his career as an actor, wrote for numerous television shows ...

David Ketchum, celebrated for his role as Agent 13 in 'Get Smart,' where he hilariously emerged from unexpected places, has ...

David Ketchum, sitcom star and prolific television writer, has passed on at the age of 97.

When one speaks of Get Smart, one's initial reactions are Maxwell Smart messing up on missions or Agent 99 saving the day ...

David Ketchum, famed for his role as Agent 13 in Get Smart and his work as a comedy writer, has died at 97, leaving behind a ...

David Ketchum, a voice actor and comedian known for his role in “Get Smart” as Agent 13, has died, multiple reports say. He ...

David Ketchum, known for his role as Agent 13 in 'Get Smart', has died at 97. He enjoyed a diverse career in television and ...

Ketchum’s portrayal of Agent 13 on “Get Smart” became a signature role, with fans fondly remembering the recurring gag of him ...