Playing real people: Improbable combos for one actor

[Mitch]

Helen Mirren has played ...

The interesting thing about her playing both Catherine The Great and Queen Elizabeth is that she's the only actor on this list with a good shout of actually being reasonably closely-related to the historical figures involved.

[Patrick Thistle]

Cate Blanchett has played Elizabeth the First, murdered journalist Veronica Guerin, actress Katherine Hepburn, and the awful conservative activist Phyllis Schlafly.

[Southport Zeb]

I suspect that former baseball manager Art Howe is rarely compared to Truman Capote, yet both were played on screen by Philip Seymour Hoffman.

[Foot of Astaire's]

Sean Harris played 2 Ians. Brady and Curtis.

[Guy Profumo]

Has Stephen Graham been mentioned?

Al Capone and Billy Bremner

And all the rest