Highest rated as cast or director
The Mortal Storm
1940
The Untouchables
1959 · 4 Seasons
House of Bamboo
1955
Hercules
1998 · 1 Season
Biography
Robert Langford Modini Stack (January 13, 1919 – May 14, 2003) was a multilingual American actor and television host. In addition to acting in more than 40 films, he also appeared on the television series The Untouchables and later served as the host of Unsolved Mysteries. Born in Los Angeles, California, Stack spent his early childhood growing up in Europe. Becoming fluent in French and Italian at an early age, and he did not learn English until returning to Los Angeles. Stack achieved minor fame in sporting, winning multiple championships including setting two world records and winning multiple honors in skeet shooting Stack studied drama at Bridgewater State College, earning his first Hollywood role at the age of 20 and continuing to star in numerous roles throughout the early 1940s. After serving in the military, Stack returned to Hollywood to star in numerous films including stand out roles in The High and the Mighty (opposite John Wayne) and Written on the Wind (1957), for which he was awarded an Academy Award for Best Supporting Actor. Stack later moved on to televised dramatic series, depicting the crime-fighting Eliot Ness in The Untouchables (1959–1963), which earned him a best actor Emmy Award in 1960. Stack also starred in multiple drama series, before returning to film, this time in comedies to satirize his famed stoic and humorless demeanor. He began hosting Unsolved Mysteries in 1987, and served as the show's host throughout it's entire original run from 1987 to 2002.
Acted in 93
2020s
- 2026
Optimus Prime Awakening
Ultra Magnus (archived audio)
- 2021
Jacques Tati, tombé de la lune
Movie
2010s
- 2019
- 2018
These Dead Souls
(archive footage)
2000s
- 2002
Butt-Ugly Martians
Stoat Muldoon (voice) · 26 episodes
- 2001
Killer Bud
The Gooch
1990s
- 1999
Mumford
Robert Stack
Sealed with a Kiss
Sumner Ethridge
- 1998
- 1997
- 1996
- 1993
- 1991
Unsolved Mysteries: UFOS
TV
- 1990
Unsolved Mysteries: Ghosts
TV
1980s
- 1988
Dangerous Curves
Louis Faciano
Plain Clothes
Mr. Gardner
- 1987
Perry Mason: The Case of the Sinister Spirit
Jordan White
- 1986
Big Trouble
Winslow
- 1985
Midas Valley
Drew Hammond
- 1984
George Washington
General Stark · 3 episodes
- 1983
- 1982
- 1981
Strike Force
Captain Frank Murphy · 20 episodes
- 1980
1970s
- 1979
- 1978
Second Wind
François Davis
- 1977
- 1976
Most Wanted
Captain Linc Evers · 23 episodes
- 1975
Adventures of the Queen
Capt. James Morgan
- 1974
The Strange and Deadly Occurrence
Michael Rhodes
- 1973
- 1970
Story of a Woman
David Frasier
1960s
- 1968
Laura
Mark McPherson
- 1967
The Danny Thomas Hour
Angelo (Businessman) · 1 episode
Action Man
Jim Beckley
The Corrupt Ones
Cliff Wilder
- 1966
- 1963
The Caretakers
Dr. Donovan MacLeod
- 1962
- 1960
The Last Voyage
Cliff Henderson
1950s
- 1959
The Scarface Mob
Eliot Ness
John Paul Jones
John Paul Jones
- 1958
The Gift of Love
William 'Bill' Beck
- 1957
The Tarnished Angels
Roger Shumann
- 1956
Great Day in the Morning
Owen Pentecost
- 1955
Good Morning, Miss Dove
Dr. Tommy Baker
Laura
Mark Macpherson
- 1954
The Iron Glove
Captain Charles Wogan
- 1953
Sabre Jet
Col. Gil Manton
Conquest of Cochise
Maj. Tom Burke
- 1952
Bwana Devil
Bob Hayward
- 1951
Schlitz Playhouse of Stars
Vic Flint · 1 episode
Bullfighter and the Lady
John Regan
- 1950
Mr. Music
Jeff Blake
Riviera Dream
Movie
1940s
- 1949
- 1948
Fighter Squadron
Capt. Stuart L. Hamilton
Miss Tatlock's Millions
Nickey Van Alen
A Date with Judy
Stephen Andrews
- 1942
Keeping Fit
Bob - Factory worker
Men of Texas
Barry Conovan
Eagle Squadron
Chuck S. Brewer
- 1941
Nice Girl?
Don Webb
- 1940
A Little Bit of Heaven
Bob Terry
1930s
- 1939
First Love
Ted Drake
Appearances30
2000s
- 2004
Unsolved Mysteries Volume 1: UFOs
Host
- 2001
Lana Turner... a Daughter's Memoir
Self
1990s
- 1999
Lords of the Mafia
Self - Narrator · 16 episodes
Hercules: Zero to Hero
Narrator (voice) (archive sound)
The Y2K Crisis
Host
- 1997
- 1996
Clark Gable: Tall, Dark, and Handsome
Self
1980s
- 1988
- 1987
Korea: The Forgotten War
Host · 2 episodes
Happy 100th Birthday, Hollywood
Self
- 1982
Barry Norman in Celebrity City
Self
- 1981
1970s
- 1979
Undercover with the KKK
Host - Narrator
The Muppets Go Hollywood
Self (uncredited)
- 1975
- 1974
- 1973
- 1971
The Grand Opening of Walt Disney World
Self
The Selling of the Pentagon
Self (archive footage)
1960s
- 1962
- 1961
1940s
- 1948
- 1944
- 1943
Screen Snapshots (Series 23, No. 1): Hollywood in Uniform
Himself
- 1941
Screen Snapshots Series 21 No. 1
Self
