Robert Donner (1931-2006) was an American actor who is best remembered for his portrayal of Exidor on Mork & Mindy. He was also Yancy Tucker on The Waltons. Other shows he appeared on include Rawhide, Bonanza, Adam-12, Gunsmoke, The Six Million Dollar Man, The Fall Guy, MacGyver, and Columbo.
- Catalina Caper (Experiment #204) - as Fingers O'Toole
- Agent for H.A.R.M. (Experiment #815) - as Morgue Attendant