As I've started for My Three Sons actors on The Twilight Zone, I'd like to name actors who made one or more appearances on both Family Affair and TZ. Here's my starter list:

Cabot, Sebastian
Cartwright, Veronica
Fix, Paul
Hartman, Paul
Holloway, Sterling
Singleton, Doris
Williams, John

Burnham, Terry (1949-2013)

276599

Blondell, Joan