Richard Nixon | Richard Wagner | Richard Strauss | Richard Branson | Cliff Richard | Richard Gere | Richard Burton | Richard Hammond | Richard | Richard Dawkins | Little Richard | Richard Feynman | Richard Attenborough | Richard M. Daley | Richard I of England | Richard Thompson | Richard Francis Burton | Richard Thompson (musician) | Richard Pryor | Richard Linklater | Richard III of England | Close Encounters of the Third Kind | Richard Petty | Richard II | Richard II of England | Richard E. Byrd | Maurice Richard Arena | Muhal Richard Abrams | Richard Herring | Richard Wright |
Guest stars in the series' 42-episode run included: Don Cheadle, Kim Delaney, Dennis Dugan, Norman Fell (who worked with Ritter on Three's Company), Miguel Ferrer, Jack Gilford, Mark Hamill, Joanna Kerns, Richard Kind, Dan Lauria, Jane Leeves, Lorna Luft, David Paymer, Barbara Rush, and Shannon Tweed.