Robert Langford Modini Stack 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 shootingStack 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 shows host throughout its entire original run from 1987 to 2002.
Agent Flemming (voice)
Film 1996
Dr. Tommy Baker
Film 1955
Eddie Kenner
Film 1955
Patrick O´Moore
Film 1951
Himself
Film 1999
Self
Film 1980
Don Webb
Film 1941
Cliff Henderson
Film 1960
Bob Hayward
Film 1952
Self
Film 1971
(archive footage)
Film 2018
Michael Rhodes
Film 1974
Owen Pentecost
Film 1956
Jim Beckley
Film 1967
John Regan
Film 1951
Stephen Andrews
Film 1948
Host
Film 1999
Barry Conovan
Film 1942
Capt. Stuart L. Hamilton
Film 1948
Col. Gil Manton
Film 1953
Sumner Ethridge
Film 1999
Capt. James Morgan
Film 1975
Jeff Blake
Film 1950
Self
Film 1982
Maj. Tom Burke
Film 1953
William 'Bill' Beck
Film 1958
Mark McPherson
Film 1968
Self
Film 1941
Eliot Ness
Film 1959
Captain Charles Wogan
Film 1954
Self (archive footage)
Film 2008
(archive)
Film 1996
(archive footage)
Film 2019
James Andrew Congers
Film 1965
Bob Terry
Film 1940
Drew Hammond
Film 1985
Cliff Wilder
Film 1967
Host
Film 2004
Nickey Van Alen
Film 1948
Self
Film 1997
François Davis
Film 1978
Host - Narrator
Film 1979
Lt. Littleboy (voice)
Film 1991
Film 1950
The Gooch
Film 2001
Bob - Factory worker
Film 1942
Himself
Film 1943
David Frasier
Film 1970
Self (archive footage)
Film 1971
Self
Film 2001
Mark Macpherson
Film 1955
Self
Film 1979
Eliot Ness
Film 1991
Self (archive footage)
Film 2023
Self
Film 1996
Roland Saunders
Tv 1981
Chester Harrison
Tv 1984
Host
Tv 1988
Self
Tv 1962
Tv 1990
Tv 1973
First Man
Tv 1950
Vic Flint
Tv 1951
Captain Frank Murphy
Tv 1981
Tv 1984
Mark MacPherson
Tv 1955
Peter McReynolds
Tv 1993
Tv 1949
Self
Tv 1953
Self - Co-Host
Tv 1961
Self
Tv 1961
Self
Tv 1962
Self - Cameo
Tv 1950
Self
Tv 1948
Dan Farrell
Tv 1968
Captain Linc Evers
Tv 1976
Self
Tv 1981
Self
Tv 1975
Reynolds Penland (voice) (uncredited)
Tv 1997
Self
Tv 1973
Self
Tv 1944
Self - Presenter
Tv 1944
Self
Tv 1992
Lewis Blackwood
Tv 1982
Charles Vandoor
Tv 1982
Bret Garrett
Tv 1977
Self
Tv 1974
Angelo (Businessman)
Tv 1967
Major Morgan
Tv 1963
James Andrew Congers
Tv 1963
Ralph Saunders
Tv 1952
Ben Barton
Tv 1952
Self / Bo Bo McGoon
Tv 1951
Self - Intermission Guest
Tv 1950