Leonard Birman (September 28, 1932 – February 10, 2023) was a Canadian-American actor, who began his career in Montreal. In his 45 years on stage, screen and radio, he portrayed a wide variety of characters, including some choice roles in classical and contemporary theatre. Description above from the Wikipedia article Len Birman, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Louis-Hippolyte Lafontaine
The Man Inside
As Paint
Lies My Father Told Me
As Harry Herman
The Undergrads
As Verne Adler
Captain America II: Death Too Soon
As Dr. Simon Mills
Captain America
As Dr. Simon Mills
Silver Streak
As Chief
Killer on Board
As Marvin Luck
Web of Deceit
As Judge Byron Heath
Picking Up the Pieces
As Carew
30 Minutes, Mister Plummer
As Himself
The Magic Boy's Easter
As Lazarus
Escapade
As Arnold Tolliver
Passions
As Sam Cooper
Draw!
As Ephraim
She Cried Murder
As Marvin
Assassin
As Sen. Corbin
Evening in Byzantium
As Len Birman
The Great Brain
As Papa Fitzgerald
Without Her Consent
As Judge Wasserman
A Christmas Tree
20,000 Leagues Under the Sea
Dallas
As Claude Brown
The Rhinemann Exchange
As Asher Field
Rocket Robin Hood
As Rocket Robin Hood (voice)
Doctor Simon Locke
As Chief Dan Palmer
Airwolf
As Kenneth Langhom
The Six Million Dollar Man
As Chilton Kane
Buck Rogers in the 25th Century
As Admiral Zite
Knots Landing
As Salmaggio