Biography
Bobby Watson (born Robert Watson Knucher; November 28, 1888 – May 22, 1965) was an American theater and film actor, playing a variety of character roles, including, after 1942, Adolf Hitler.
Filmography
Cast Credits

The High Cost of Loving
Character: Marvin Phyffe (uncredited)
MOVIE • 1958

The Story of Mankind
Character: Adolf Hitler
MOVIE • 1957

Highway Patrol
Character: Ted Tewell, father
TV • 1955

No Escape
Character: Claude Duffy (as Robert Watson)
MOVIE • 1953

Singin' in the Rain
Character: Diction Coach (uncredited)
MOVIE • 1952

G.I. Jane
Character: Colonel
MOVIE • 1951

Copper Canyon
Character: Bixby (as Robert Watson)
MOVIE • 1950

Red, Hot and Blue
Character: Barney Stratum
MOVIE • 1949

The Paleface
Character: Toby Preston
MOVIE • 1948

A Foreign Affair
Character: Hitler (uncredited)
MOVIE • 1948

The Big Clock
Character: Morton Spalding
MOVIE • 1948

Hold That Blonde!
Character: Edwards
MOVIE • 1945

Duffy's Tavern
Character: Masseur
MOVIE • 1945

The Miracle of Morgan’s Creek
Character: Adolf Hitler (uncredited)
MOVIE • 1944

The Hitler Gang
Character: Adolf Hitler
MOVIE • 1944

Nazty Nuisance
Character: Adolph Hitler
MOVIE • 1943

Don't Be a Sucker!
Character:
MOVIE • 1943

It Ain't Hay
Character: Clerk (uncredited)
MOVIE • 1943

Hitler- Dead or Alive
Character: Adolf Hitler
MOVIE • 1942

The Devil with Hitler
Character: Adolf Hitler
MOVIE • 1942