
Acting
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]

This Is Supermarionation
as Steve Zodiac / Captain Grey (voice)

Sleepers
as Barrington Cabot

Perry Mason: The Case of the Desperate Deception
as Capt. Calvelli

Indiana Jones and the Last Crusade
as Panama Hat

Intrigue
as Esterbrook

The Man Who Lived at the Ritz
as Mylos

Marcus Welby, M.D.: A Holiday Affair
as Dr. Wallace

The Return of Sherlock Holmes
as Agent Hopkins

The Vision
as Bill Freed

Cloud Waltzing
as Andrew Tolliver

Presented in Supercolorisation
as Colonel Steve Zodiac / Mrs Doughty (voice) · 1 ep.

Sleepers
as Barrington Cabot · 2 ep.

Screen Two
as Bill Freed · 1 ep.

Howards' Way
as Scott Benson · 1 ep.
One by One
1 ep.

The Aphrodite Inheritance
as Eugene Hellman · 8 ep.

Return of the Saint
as Buzz Wepner · 1 ep.
Quiller
as Colonel Fischer · 1 ep.

Pollyanna
as Doctor Chilton · 6 ep.

The Adventurer
as Don Fleming · 1 ep.
The Pink Panther Strikes Again
1976