highest rated
acting
- Hey Good Lookin' → Old Vinnie (voice)
- American Pop → Crisco (voice)
- Mafia on the Bounty → Rupolo
- Cat in the Cage → Rachid Khan
- The Incredible Hulk (TV)
- Baretta (TV)
- The Swiss Family Robinson (TV)
- Coonskin → Managan (voice) / Ruby (voice) (uncredited)
- Crossfire → Albert Ambrose
- Johnny Firecloud → White Eagle
- Little House on the Prairie (TV) → Chief Kilowatt
- The Rockford Files (TV) → Nova (as Frank De Kova)
- Police Woman (TV)
- Police Woman (TV) → Vito Angelo
- Run, Joe, Run (TV)
- Baby Needs a New Pair of Shoes → Big Tony (as Frank deKova)
- Police Story (TV)
- Toma (TV)
- Heavy Traffic → Angelo "Angie" Corleone (voice)
- The Don Is Dead → Giunta
- The Slams → Capiello
- Frasier, the Sensuous Lion → The Man
- The Mechanic → The Man
- Cannon (TV)
- The Wild Country → Two Dog
- Love, American Style (TV)
- Hawaii Five-O (TV) → Phil Kalama
- It Takes a Thief (TV) → Gen. Tashkov
- The High Chaparral (TV) → Aguirre
- The Legend of the Boy and the Eagle → Narrator (voice)
- The F.B.I. (TV) → Faber
- The F.B.I. (TV) → Dracus
- F Troop (TV) → Chief Wild Eagle
- F Troop (TV) → Wild Eagle
- The Greatest Story Ever Told → The tormentor
- The Sword of Ali Baba → Old Baba
- Daniel Boone (TV) → Talakum
- Daniel Boone (TV) → Saugus
- Those Calloways → Nigosh
- Kraft Suspense Theatre (TV) → Edward
- The Greatest Show on Earth (TV) → Joseph
- The Dakotas (TV)
- The Gallant Men (TV)
- Follow That Dream → Jack (as Frank de Kova)
- Ben Casey (TV)
- Gunslinger (TV) → Don Ignacio Alesandro
- Atlantis: The Lost Continent → Sonoy the Astrologer
- Route 66 (TV)
- Thriller (TV) → Lieutenant Vincoli
- Surfside 6 (TV) → Stinger
- The Tall Man (TV)
- Outlaws (TV)
- The Islanders (TV) → Carlos Roca
- The Roaring 20's (TV)
- The Rise and Fall of Legs Diamond → Syndicate Chairman
- The Untouchables (TV) → Louis 'Little New York' Campagna
- The Untouchables (TV) → Anthony 'Tough Tony' Lamberto
- The Untouchables (TV) → Louis Campagne
- The Untouchables (TV) → Louie Campagna
- The Untouchables (TV) → The Man
- The Untouchables (TV) → Bugs Donovan
- Rawhide (TV) → Chief Tawyawp
- Rawhide (TV) → Villegro
- Hawaiian Eye (TV) → Pete Dailey
- The Rebel (TV) → Richard Aloysius Sturgis
- Laramie (TV)
- Laramie (TV) → Tah-Za
- The Detectives (TV) → Nordoff
- Black Saddle (TV) → Calderon
- The Deputy (TV) → Cowan
- The Third Man (TV) → Arlatti
- The Third Man (TV) → Juan Rodriguez
- The Alaskans (TV)
- The Lawless Years (TV)
- Johnny Staccato (TV)
- The Troubleshooters (TV) → Nadi
- Day of the Outlaw → Denver, Bruhn's Gang
- The Jayhawkers! → Evans
- The Rifleman (TV)
- The Rifleman (TV) → Chief Hostay
- Lawman (TV) → Jed Barker
- Peter Gunn (TV)
- 77 Sunset Strip (TV) → Jack Bent
- 77 Sunset Strip (TV) → Jerry Gordon
- 77 Sunset Strip (TV) → Dino Malatesta
- Westinghouse Desilu Playhouse (TV) → Jimmy Napoli
- The Brothers Karamazov → Capt. Vrublevski
- Cowboy → Alcaide
- Apache Territory → Lugo (as Frank deKova)
- Machine-Gun Kelly → Harry
- Teenage Cave Man → The Black-Bearded One
- Maverick (TV)
- Wagon Train (TV) → Obuki
- Wagon Train (TV) → Isaiah Quickfox
- Wagon Train (TV) → Ocheo
- Wagon Train (TV) → True Oak
- Wagon Train (TV) → Indian Chief
- Hawkeye and the Last of the Mohicans (TV) → Ottawa Chief
- The Walter Winchell File (TV) → Stefan
- Run of the Arrow → Red Cloud (as Frank De Kova)
- Ride Out for Revenge → Chief Yellow Wolf
- Not One Shall Die → Egyptian Official
- Appointment with a Shadow → Dutch Hayden
- The Ten Commandments → Abiram
- Tales of the 77th Bengal Lancers (TV)
- Santiago → Jingo
- The Lone Ranger → Chief Red Hawk
- Pillars of the Sky → Zachariah
- Reprisal! → Charlie Washackle
- The White Squaw → Yellow Elk
- Johnny Moccasin → Brave Scout
- Cheyenne (TV)
- Cheyenne (TV) → Spotted Bull
- Cheyenne (TV) → Sitting Bull
- Cheyenne (TV) → Dull Knife
- Cheyenne (TV) → Chief Johnny Cake
- Cheyenne (TV) → War Cloud
- Cheyenne (TV) → Red Knife
- Gunsmoke (TV) → Tobeel
- Gunsmoke (TV) → Mulligan Rives
- Gunsmoke (TV) → Leader
- Alfred Hitchcock Presents (TV) → Pedro
- Alfred Hitchcock Presents (TV) → Senor Vargas
- The Man from Laramie → Padre
- Strange Lady in Town → Anse Hatlo
- Shack Out on 101 → Prof. Claude Dillon
- Hold Back Tomorrow → Priest
- The Adventures of Rin Tin Tin (TV)
- Drum Beat → Modoc Jim
- Valley of the Kings → Akmed Salah (uncredited)
- They Rode West → Isatai
- Passion → Martinez (as Frank de Kova)
- Arrowhead → Chief Chattez
- All the Brothers Were Valiant → Stevenson
- Split Second → Dummy
- The Desert Song → Mindar
- King of the Khyber Rifles → Ali Nur
- Raiders of the Seven Seas → Captain Romero
- Fighter Attack → Benedetto
- The Big Sky → Moleface (uncredited)
- Holiday for Sinners → The Wiry Man
- Martin Kane, Private Eye (TV) → Thomas Randall
- Kiss of Death → Con Library (uncredited)