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. Stac...
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To Be or Not to Be
As Lieut. Stanislav Sobinski
The Mortal Storm
As Otto Von Rohn
Airplane!
As Captain Rex Kramer
Beavis and Butt-Head Do America
As Agent Flemming (voice)
Joe Versus the Volcano
As Dr. Ellison
Is Paris Burning?
As General Sibert
Good Morning, Miss Dove
As Dr. Tommy Baker
House of Bamboo
As Eddie Kenner
1941
As Maj. Gen. Joseph W. Stilwell
Mumford
As Himself
My Outlaw Brother
As Patrick O´Moore
Douglas Sirk: Über Stars
As Self
Uncommon Valor
As MacGregor
Nice Girl?
As Don Webb
The Last Voyage
As Cliff Henderson
First Love
As Ted Drake
Bwana Devil
As Bob Hayward
The Tarnished Angels
As Roger Shumann
Caddyshack II
As Chandler Young
The High and the Mighty
As John Sullivan
Written on the Wind
As Kyle Hadley
The Grand Opening of Walt Disney World
As Self
John Paul Jones
As John Paul Jones
These Dead Souls
As (archive footage)
The Strange and Deadly Occurrence
As Michael Rhodes
Dangerous Curves
As Louis Faciano
Great Day in the Morning
As Owen Pentecost
The Caretakers
As Dr. Donovan MacLeod
Badlands Of Dakota
As Jim Holliday
Action Man
As Jim Beckley
Bullfighter and the Lady
As John Regan
A Date with Judy
As Stephen Andrews
The Y2K Crisis
As Host
Big Trouble
As Winslow
Fighter Squadron
As Capt. Stuart L. Hamilton
Men of Texas
As Barry Conovan
Sabre Jet
As Col. Gil Manton
Sealed with a Kiss
As Sumner Ethridge
Adventures of the Queen
As Capt. James Morgan
Murder on Flight 502
As Captain Larkin
Mr. Music
As Jeff Blake
Hercules: Zero to Hero
As Narrator (voice) (archive sound)
War Paint
As Lt. Billings
Barry Norman in Celebrity City
As Self
Conquest of Cochise
As Maj. Tom Burke
The Gift of Love
As William 'Bill' Beck
Laura
As Mark McPherson
Screen Snapshots Series 21 No. 1
As Self
The Scarface Mob
As Eliot Ness
The Iron Glove
As Captain Charles Wogan
Acting for Douglas Sirk
As Self (archive footage)
The Making of '1941'
As (archive)
Yellowface: Asian Whitewashing and Racism in Hollywood
As (archive footage)
Plain Clothes
As Mr. Gardner
The Transformers: The Movie
As Ultra Magnus (voice)
Asylum for a Spy
As James Andrew Congers
A Little Bit of Heaven
As Bob Terry
Midas Valley
As Drew Hammond
The Corrupt Ones
As Cliff Wilder
Unsolved Mysteries Volume 1: UFOs
As Host
Miss Tatlock's Millions
As Nickey Van Alen
Barbara Stanwyck: Straight Down The Line
As Self
Un Second Souffle
As François Davis
Undercover with the KKK
As Host - Narrator
Eagle Squadron
As Chuck S. Brewer
The Real Story of Baa Baa Black Sheep
As Lt. Littleboy (voice)
Riviera Dream
Killer Bud
As The Gooch
Perry Mason: The Case of the Sinister Spirit
As Jordan White
BASEketball
As Robert Stack
Keeping Fit
As Bob - Factory worker
Screen Snapshots (Series 23, No. 1): Hollywood in Uniform
As Himself
Story of a Woman
As David Frasier
Recess: School's Out
As Superintendent (voice)
The Selling of the Pentagon
As Self (archive footage)
Lana Turner... a Daughter's Memoir
As Self
Laura
As Mark Macpherson
The Muppets Go Hollywood
As Self
The Return of Eliot Ness
As Eliot Ness
Falcon Crest
Murder, She Wrote
As Chester Harrison
Unsolved Mysteries
As Host
The Lucy Show
As Agent Briggs
The Untouchables
As Eliot Ness
Hercules
As Bob (voice)
Hotel
The Merv Griffin Show
As Self
Blossom
Police Story
Butt-Ugly Martians
As Stoat Muldoon (voice)
Lux Video Theatre
As First Man
Schlitz Playhouse of Stars
As Vic Flint
Strike Force
As Captain Frank Murphy
Brothers
The 20th Century Fox Hour
Diagnosis: Murder
As Peter McReynolds
Lights Out
George Washington
As General Stark
The Oscars
As Self
Hollywood Wives
As George Lancaster
The Mike Douglas Show
As Self - Co-Host
The Tonight Show Starring Johnny Carson
As Self
The Bob Hope Show
As Self - Cameo
The Ed Sullivan Show
As Self - Magician's Assistant
The Name of the Game
As Dan Farrell
Most Wanted
As Captain Linc Evers
Suddenly Susan
As Robert Stack
Entertainment Tonight
As Self
Les Rendez-vous du dimanche
As Self
King of the Hill
As Reynolds Penland (voice) (uncredited)
The Dean Martin Celebrity Roasts
As Self