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
As Panama Hat
City of Fear
As Mike Foster
It!
As Jim Perkins
A Bridge Too Far
As Maj. Gen. Maxwell D. Taylor
Rustlers' Rhapsody
As Sheepherder No. 1
Follow the Boys
As C.M.A.A.
The Haunting
As Bud Fredericks (uncredited)
Madame Sin
As Connors
Submarine Seahawk
As Lt. Cmdr. Bill Hallohan
Spy Story
As Submarine Captain
The Return of Sherlock Holmes
As Agent Hopkins
Freedom to Die
As Craig Owen
The Man Outside
As Judson Murphy
Marcus Welby, M.D.: A Holiday Affair
As Dr. Wallace
Death in Small Doses
The Man Who Lived at the Ritz
As Mylos
Sleepers
As Barrington Cabot
Aliens
As Van Leuwen
Strong Medicine
As Mace
Cry Wolf
As Dr. Jack Russell
The Looking Glass War
As CIA Man
Cloud Waltzing
As Andrew Tolliver
Intrigue
As Esterbrook
Baxter !
As Mr Baxter
The Vision
As Bill Freed
Shadow of Fear
As Bill Martin
The Pink Panther Strikes Again
As CIA Director
The Last Days of Patton
As Lt.Gen. Geoffrey Keyes
We Joined the Navy
As Commander Spelling U.S.N.
How to Make a Monster
As Jeffrey Clayton
And No One Could Save Her
As Paul
Man in the Middle
As Major Smith
Thunderbirds Are GO
As Captain Paul Travers (voice)
Shadow of Fear
Perry Mason: The Case of the Desperate Deception
As Capt. Calvelli
This Is Supermarionation
As Steve Zodiac / Captain Grey (voice)
Blood of Dracula
As Mike, assistant coroner
Captain Scarlet and the Mysterons
Thunderbirds
Howards' Way
As Scott Benson
UFO
As Lt. Jim Lewis
Return of the Saint
As Buzz Wepner
Dragnet
The Saint
As Kolben
Fireball XL5
The Lotus Eaters
The Aphrodite Inheritance
As Eugene Hellman
The Champions
As Capt. Baxter
Sea Hunt
Alfred Hitchcock Presents
As Detective Sgt. Singer
The Adventurer
As Don Fleming
Man of the World
The Sentimental Agent
M Squad
As Jim Landry
Bronco
Matinee Theater
One by One
Quiller
As Colonel Fischer
Brett
The Jazz Age
Steve Canyon
As Maj. Russell
BBC Play of the Month
As Lieutenant John E Donovan
Screen Two
As Bill Freed
Pollyanna
As Doctor Chilton