Joel Davison

 played Abner's and Gladys' nephew Floyd Kravitz in the first season episode, Little Pitchers Have Big Fears (1964).

Biography
Joel Davison was born on March 23, 1956. He is an American actor, known for O.K. Crackerby! (1965), The Adventures of Ozzie and Harriet (1952) and The Invaders (1967). He also appeared in The Facts of Life, Daniel Boone, Adam-12, My Three Sons, Cimarron Strip, Family Affair, My Mother the Car, and Bewitched.

 Updated April 22, 2022 

Source
Joel Davison on the Internet Movie Database. Retrieved on March 28, 2020. Updated on April 22, 2022.