Leonard King Lesser (December 3, 1922 – February 16, 2011) was an American character actor and comedian best known for his recurring role as Uncle Leo on Seinfeld. He was also known for his role as Garvin on Everybody Loves Raymond.

Filmography

• Castle — Neighbour
• The Wedding Bells — Peppy Miller
• 'Til Death — Gus
• 2005Frankenstein & the Werewolf Reborn! — Inspector Krol (archive footage)
• 2004Baadasssss! — Manny & Mort Goldberg
• Quintuplets — Morty
• Cold Case — Elmer Gibbins (2007)
• Rock Me Baby — Harvey
• Son of the Beach
• 1998Amazing Stories: The Movie III — Old Grave Robber
• 1998The Werewolf Reborn! — Krol
• 1998True Friends — Mr. Slotnick
• Just Shoot Me! — Uncle Jimmy
• Smart Guy — Sidney
• Everybody Loves Raymond — Garvin
• Sabrina, the Teenage Witch — Eugene
• Caroline in the City — Waiter
• Platypus Man — Rabbi Rosenbaum
• 1995Rave Review — Al
• ER — Woody Ebbots
• Boy Meets World — Arnie Heck
• The John Larroquette Show — Preacher
• Mad About You — Uncle Arnold
• 1991Sorority Girls and the Creature from Hell — Tex
• 1990Ain't No Way Back — Papa Campbell
• 1990Faith — Uncle Sal
• 1990Mob Boss — Don Caglianoti
• Seinfeld — Uncle Leo
• 1989Spy — Dr. Obediah Stern
• 1988Grandmother's House — Grandfather
• Tour of Duty — Clayton - WWII Vet (uncredited)
• thirtysomething
• 1986Amazing Stories — Old Grave Robber
• Amazing Stories — Old Grave Digger
• Airwolf — Villain
• 1984Du-beat-e-o — Hendricks
• Hardcastle and McCormick — Sam
• Remington Steele — Anthony Torrance
• 1981Death Hunt — Lewis
• Falcon Crest — Professor McCloud
• Simon & Simon — Slater
• 1981Take This Job and Shove It — Roach
• 1981Through the Magic Pyramid — Naktah
• Enos
• 1979The Main Event — Trainer At Big Bear
• 1978House Calls — Waiter
• 1978Someone's Watching Me! — Burly Man
• Code R — Leo
• 1977Joyride to Nowhere — Charlie
• 1977Moonshine County Express — Scoggins
• 1977Ruby — Barney
• 1977Spider-Man — Henchman
• 1977Supervan — Banks
• The Hardy Boys / Nancy Drew Mysteries
• The Love Boat — Stryker
• Quincy, M.E. — Dr. DeGroot
• 1976The Outlaw Josey Wales — Abe
• Barbary Coast — Clerk
• Switch — Pelky, Salesman
• 1974It's Good to Be Alive — Man at Accident
• Kolchak: The Night Stalker — Crowley
• The Rockford Files — Colby
• 1974Truck Stop Women — Winter
• Kojak — Mr. Morgan, Hinton
• 1973Papillon — Guard
• 1973Slither — Jogger
• Delphi Bureau — Mockthornton
• 1972Dirty Little Billy — Slits
• The Bob Newhart Show — Mr. Schwab
• All in the Family — Billy Pendergast
• 1971Blood and Lace — Tom Kredge
• McMillan & Wife — Benny Carr
• The Partners
• 1970Kelly's Heroes — Platoon Sgt. Bellamy (42nd Engineers)
• Medical Center
• The Bill Cosby Show — Supervisor
• The Bold Ones: The New Doctors — Joe Boland
• Land of the Giants — Prisoner
• The Mod Squad — Burns
• The Outsider
• 1967How I Spent My Summer Vacation — The Greek
• Ironside — Frank Bender
• Judd, for the Defense
• Mr. Terrific — Novnik
• 1967The Last Challenge — Ed (uncredited)
• The Second Hundred Years — Norton
• 1966Fireball 500 — Man In Garage
• Love on a Rooftop — Junk Shop Owner
• Run, Buddy, Run
• That Girl
• The Monkees — George, Red
• Get Smart — Rudolph, Luden, Vogel
• Green Acres — Man
• Honey West — Mr. Crimm
• 1965How to Stuff a Wild Bikini — North Dakota Pete
• Laredo
• 1965McHale's Navy Joins the Air Force — NKVD commissar
• The F.B.I. — Ghost
• The Wild Wild West — Mason
• The Munsters — Manikoo
• The Rogues — Priest
• Arrest and Trial — Biggy
• Bob Hope Presents the Chrysler Theatre — Le Bombard
• My Favorite Martian — Hank, Carlo
• Temple Houston — Orley Baldwin
• The Great Adventure — Varnes
• The Outer Limits — Sforza Water/Power worker
• 1962Birdman of Alcatraz — Burns (uncredited)
• 1962Smog — Lelio Marpicati
• Stoney Burke — Leo, Detective
• Ben Casey
• The Investigators — Puppeteer
• 1960Bells Are Ringing — Charlie Bessemer (uncredited)
• Hong Kong — Carl
• 1960Please Don't Eat the Daisies — Waiter at Sardi's (uncredited)
• Adventures in Paradise — Lasser
• Bonanza — Fred Gaskell, Art Fancher
• 1959Crime and Punishment USA — Desk Officer
• Johnny Staccato
• Lock-Up — Carl Kincaid
• Mr. Lucky — Gunman
• The Detectives — Jack Hasset
• The Third Man — Najian
• The Untouchables — Gunther
• Tightrope — The Hood (uncredited)
• Bat Masterson — Frank Holloway
• Mickey Spillane's Mike Hammer — Zig Segman
• 1958Old Man — Man with Gun
• Peter Gunn
• 1958Some Came Running — Indianapolis Poker Player (uncredited)
• 1958The Man Who Died Twice — Minelli
• The Texan — Brad, Matt Kiley
• Have Gun, Will Travel — Boldt
• Official Detective
• Panic!
• 1957Slaughter on 10th Avenue — Sam (Uncredited)
• The Thin Man
• Tombstone Territory — Hugh Dawson
• 1956Lust for Life — Cartoonist (uncredited)
• 1956Somebody Up There Likes Me — Reporter at Sparring Session (uncredited)
• Alfred Hitchcock Presents — Thug
• Gunsmoke — Townsman (uncredited)
• 1955Shack Out on 101 — Perch
• General Electric Theater — Friedman
• 1953The Big Break — Hunk
• Dragnet
• Schlitz Playhouse of Stars — First Card Player, Goon #2
• The Red Skelton Show — Legs, Big Mike Miller, Percival Cutthroat, Bum / Slippery Scottty Sutton, Killer McBumpoff
• The Jack Benny Program — Bank Robber #2, Muggsy McGurk
• Man Against Crime — Hoodlum (uncredited)
• Suspense — Man at Baseball Game (uncredited)
• Studio One

Appearances as themselves (1)

• 2004Kramer vs. Kramer: Kenny to Cosmo — Self