B
- Babe (1995) - James Cromwell
- Bang the Drum Slowly (1973) - Vincent Gardenia
- The Barefoot Contessa (1954) - Edmond O'Brien
- Barton Fink (1991) - Michael Lerner
- Battleground (1949) - James Whitmore
- Beau Geste (1939) - Brian Donlevy
- Becket (1964) - John Gielgud
- Beginners (2011) - Christopher Plummer
- Being There (1979) - Melvyn Douglas
- Ben-Hur (1959) - Hugh Griffith
- The Best Little Whorehouse in Texas (1982) - Charles Durning
- The Best Man (1964) - Lee Tracy
- The Best Years of Our Lives (1946) - Harold Russell
- The Big Country (1958) - Burl Ives
- The Big Sky (1952) - Arthur Hunnicutt
- Billy Budd (1962) - Terence Stamp
- Birdman of Alcatraz (1962) - Telly Savalas
- The Black Stallion (1979) - Mickey Rooney
- Blood Diamond (2006) - Djimon Hounsou
- Bob & Carol & Ted & Alice (1969) - Elliott Gould
- The Bold and the Brave (1956) - Mickey Rooney
- Bonnie and Clyde (1967) - Gene Hackman
- Bonnie and Clyde (1967) - Michael J. Pollard
- Boogie Nights (1997) - Burt Reynolds
- The Bridge on the River Kwai (1957) - Sessue Hayakawa
- Broadcast News (1987) - Albert Brooks
- Brokeback Mountain (2005) - Jake Gyllenhaal
- Broken Arrow (1950) - Jeff Chandler
- The Brothers Karamazov (1958) - Lee J. Cobb
- Bugsy (1991) - Harvey Keitel
- Bugsy (1991) - Ben Kingsley
- Bullets Over Broadway (1994) - Chazz Palminteri
- Bus Stop (1956) - Don Murray
Read more about this topic: List Of Nominees For The Academy Award For Best Supporting Actor (by Film Title)