David Ketchum, Agent 13 On ‘Get Smart,’ Dies At 97
David Ketchum in a promotional photo for the unsold ABC pilot ‘Where’s the Fire?’ circa 1975 Disney General Entertainment Content via Getty David Ketchum, a character actor, writer and familiar face on television during the 1960s and 1970s, best remembered for his recurring role as the perpetually unlucky Agent 13 on Get Smart, died in…