Harry Murphy is Office manager in The Bizarro Jerry (Season 8 Episode 3).

Harry van Gorkum is Craig Stewart in The Wig Master (Season 7 Episode 19).

Harvey Jason is Auctioneer in The Bottle Deposit (Season 7 Episode 20).

Henry Woronicz is Father Curtis in The Yada Yada (Season 8 Episode 19) and in The Burning (Season 9 Episode 16).

Hiram Kasten is Michael, Elaine's co-worker at Pendant Publishing in The Fire (Season 5 Episode 20).

Howard Schechter is a Doctor in The Suicide (Season 3 Episode 15).

I.M. Hobson is Businessman in The Limo (Season 3 Episode 18).

Ian Abercrombie is the Justin Pitt in The Chaperone (Season 6 Episode 1).

Ian Patrick Williams is Stubs in The Wink (Season 7 Episode 4).

Iqbal Theba is Cabbie in The Jimmy (Season 6 Episode 19).

Ivory Ocean is Officer Morgan in The Scofflaw (Season 6 Episode 13).

J. Patrick McCormack is Mr. Leland in The Bizarro Jerry (Season 8 - Episode 3).

J.G. Hertzler is Director in The Wait Out (Season 7 Episode 21).

Jack Betts is Mr. Green in The Doorman (Season 6 - Episode 18).

Jack McGee is Ralph, a highway maintenance worker, in The Pothole (Season 8 Episode 16).

Jack Plotnick is the crew leader of Sushine Carpet Cleaners in The Checks (Season 8 Episode 7).

Jack Riley is Rider in The Muffin Tops (Season 8 Episode 21).

Jack Shearer is Mr. Tuttle in The Barber (Season 5 Episode 8).

James Hong is Bruce, is the restaurant manager in The Chinese Restaurant (Season 2 Episode 11).

James Karen is Mr. Canterman in The Puerto Rican Day (Season 9 - Episode 20).

James Lashly is Russian Cable Guy in The Baby Shower (Season 2 Episode 10).

James Lesure is a Kramer's co-worker at Brandt-Leland in The Bizarro Jerry (Season 5 Episode 11).

James Noah is Uncle Ned Ross in The Maestro (Season 7 Episode 3).

James Patrick Stuart is Brett in The Checks (Season 8 Episode 7).

James Pickens is Detective Hudson in The Finale (Season 9 - Episodes 23 and 24).

James R. Sweeney is Aronson in The Gymnast (Season 6 Episode 6).

James Reynolds is Banker in The Pledge Drive (Season 6 Episode 3).