Frank Piazza is Cop in The Stranded (Season 3 Episode 10).
Frank Piazza is Cop in 
Frank Van Keeken is Vegetable Lasagna in The Butter Shave (Season 9 Episode 1).
Fred Pinkard is Newstand Boy in The Dinner Party (Season 4 - Episode 13) and Old Man in The Andrea Doria (Season 8 - Episode 10).
French Stewart is the theatre manager in The Opposite (Season 5 Episode 22).
Gail Strickland is Jocelyn Landis in The Chaperone (Season 6 Episode 1) and in The Switch (Season 6 Episode 11).
Gene Dynarski is Izzy Mandelbaun Jr. in The English Patient (Season 8 Episode 17).
Gene Dynarski is Izzy Mandelbaun Jr. in 
George C. Simms is Man #2 in The Robbery (Season 1 - Episode 3) and FBI Man in The Baby Shower (Season 2 - Episode 10).
George Murdock is Yuri Testikov in The Marine Biologist (Season 5 Episode 14).
George Wallace is the doctor in the final scene of The Checks (Season 8 Episodes 7).
Gina Gallego plays Gina, the girlfriend of Jerry's «creepy neighbour» Martin in The Suicide (Season 3 Episode 15).
Gina Hecht is Dana Foley in 3 episodes. The first: "The Pick (Season 4 Episode 13).
Gina Mastrogiacomo is Prostitute in The Wig Master (Season 7 Episode 18).
Glen Chin is Harry Fong in 