
Acting
Francis Gregory Alan Morris (September 27, 1933 – August 27, 1996) was an American actor. He was best known for portraying Barney Collier on Mission: Impossible and Lt. David Nelson on Vega$.
Description above from the Wikipedia article Greg Morris, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Firing Squad
as Private Jacob Dorn

Mission: Impossible - The Golden Serpent
as Barney Collier

Crisis in Mid-Air
as Brian Haley

Flight to Holocaust
as Dr. Jeff Evans

Countdown at Kusini
as Red Salter

Under the Law Part II: 3 Days in the County Jail
as Narrator

Mitzi & 100 Guys
as Self

Gold

The All Star Spangled Mission

Killer by Night
as Capt. George Benson
The Steven Banks Show
as Police Officer · 1 ep.

Love at First Sight
as Monsieur Laurent · 1 ep.

War of the Worlds
as General Masters · 1 ep.

Mission: Impossible
as Barney Collier · 3 ep.

George Burns Comedy Week
1 ep.

Murder, She Wrote
as Andrews · 1 ep.

T. J. Hooker
as Dave Reemer · 1 ep.

Roots: The Next Generations
as Beeman Jones · 1 ep.

Vega$
as Lt. David Nelson · 68 ep.

The Eddie Capra Mysteries
1 ep.