A major leading man during the Golden Age of Hollywood, known for his "portrayals of men who prove both sturdy and wise,"[2] Pidgeon earned two Academy Award nominations for Best Actor, for his roles in Mrs. Miniver (1942) and Madame Curie (1943).

[3] Pidgeon also starred in many other notable films, such as How Green Was My Valley (1941), The Bad and the Beautiful (1952), Forbidden Planet (1956), Executive Suite (1954), Voyage to the Bottom of the Sea (1961), Advise & Consent (1962), Funny Girl (1968), and Harry in Your Pocket (1973).

He received the Guild's Life Achievement Award in 1975, and a star on the Hollywood Walk of Fame in 1960, for his contributions to the motion picture industry.

His university education was interrupted by World War I when he volunteered with the 65th Battery, as a lieutenant in the Royal Regiment of Canadian Artillery.

[1] With the advent of sound films, Pidgeon starred in musicals Bride of the Regiment (1930), Sweet Kitty Bellairs (1930), Viennese Nights (1930) and Kiss Me Again (1931).

He also starred as Chip Collyer in the comedy Week-End at the Waldorf (1945) and later as Colonel Michael S. 'Hooky' Nicobar, who was given the difficult task of repatriating Russians in post-World War II Vienna in The Red Danube (1949).

Although he continued to make films, including The Bad and the Beautiful (1952), Executive Suite (1954) and Forbidden Planet (1956), Pidgeon returned to work on Broadway in the mid-1950s after a 20-year absence.

He continued making films, playing Admiral Harriman Nelson in 1961's Voyage to the Bottom of the Sea, James Haggin in Walt Disney's Big Red (1962), and the Senate Majority Leader in Otto Preminger's Advise & Consent.

In 1963 he guest-starred as corporate attorney Sherman Hatfield in the fourth of four special episodes of Perry Mason while Raymond Burr was recovering from surgery.