Paul Maxwell (born Maxim Popovich; November 12, 1921 – December 19, 1991) was a Canadian actor who worked mostly in British cinema and television, in which he was usually cast as American characters.
[biography (excerpted) from Wikipedia]
Indiana Jones and the Last Crusade
Panama Hat
City of Fear
Mike Foster
It!
Jim Perkins
A Bridge Too Far
Maj. Gen. Maxwell D. Taylor
Rustlers' Rhapsody
Sheepherder No. 1
The Haunting
Bud Fredericks (uncredited)
Follow the Boys
C.M.A.A.
Madame Sin
Connors
Submarine Seahawk
Lt. Cmdr. Bill Hallohan
Spy Story
Submarine Captain
The Return of Sherlock Holmes
Agent Hopkins
Freedom to Die
Craig Owen
The Man Outside
Judson Murphy
Marcus Welby, M.D.: A Holiday Affair
Dr. Wallace
Death in Small Doses
Doctor (uncredited)
The Man Who Lived at the Ritz
Mylos
Sleepers
Barrington Cabot
Strong Medicine
Mace
Aliens
Van Leuwen
Cloud Waltzing
Andrew Tolliver
The Looking Glass War
CIA Man
Intrigue
Esterbrook
Baxter!
Mr Baxter
The Vision
Bill Freed
Shadow of Fear
Bill Martin
The Pink Panther Strikes Again
CIA Director
The Last Days of Patton
Lt.Gen. Geoffrey Keyes
We Joined the Navy
Commander Spelling U.S.N.
How to Make a Monster
Jeffrey Clayton
And No One Could Save Her
Paul
Man in the Middle
Major Smith
Thunderbirds Are GO
Captain Paul Travers (voice)
Perry Mason: The Case of the Desperate Deception
Capt. Calvelli
This Is Supermarionation
Steve Zodiac / Captain Grey (voice)
Blood of Dracula
Mike, assistant coroner
Revenge of the Mysterons from Mars
Captain Grey / Breck (voice)
Captain Scarlet vs. The Mysterons
Captain Grey / World President / Fire Chief (voice)