A familiar face on 1960s sitcoms, Ketchum made guest appearances on shows like I’m Dickens, He’s Fenster, The Mary Tyler Moore Show, and Camp Runamuck. He also took part in the TV special A Knight in Shining Armour.
“He leaves behind a legacy of laughter, warmth and timeless television moment — reminding us all that sometimes, the simplest surprise (like someone perched in a mailbox) can yield the biggest smile,” his family said per The Hollywood Reporter.
Per PEOPLE, Ketchum earned recognition as a talented television writer. He not only wrote for Get Smart but also contributed scripts to many popular series throughout the 1960s, ’70s, and ’80s. His writing credits include episodes of MASH*, I Dream of Jeannie, The Six Million Dollar Man, The Rookies, Switch, Wonder Woman, The Bionic Woman, Laverne & Shirley, T.J. Hooker, The Love Boat, MacGyver, and Full House.
According to The Hollywood Reporter, Ketchum is survived by his wife, Louise, whom he married in 1957, along with their two daughters, three grandchildren, and one great-grandchild.
