Walter Brooke (October 23, 1914 – August 20, 1986) was an American actor. Brooke is best known for playing Mr. McGuire in The Graduate, where he said his famous line, "Plastics".
He is also remembered for playing district attorney Frank Scanlon in the television series The Green Hornet. Brooke appeared on stage in the 1957 production of Hide and Seek at the Shubert Theatre in Washington, D.C.
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Known for The Graduate 1967 The A-Team 1983 The Twilight Zone 1959 Little House on the Prairie 1974 ★ 6.2 Jagged Edge 1985
Duane Bendix Series ★ 7.5 The A-Team 1983
General Bullen Series ★ 7.8 Automan 1983
Theodore Behrens Series ★ 6.9 Cagney & Lacey 1982
Judge Series ★ 5.7 St. Elsewhere 1982
Dr. Lunden Series ★ 5.5 Falcon Crest 1981
Carter St. John Series ★ 6.7 Simon & Simon 1981
★ 5.3 The Nude Bomb 1980
American Ambassador ★ 6.7 North Dallas Forty 1979
Doctor Series ★ 7 Buck Rogers in the 25th Century 1979
U.S. President Series ★ 7 Knots Landing 1979
Henry Series ★ 6.9 Hart to Hart 1979
Series ★ 6.9 Dallas 1978
Cole Young Series ★ 6.9 Vega$ 1978
★ 6.6 Fun with Dick and Jane 1977
Mr. Weeks ★ 6.7 Black Sunday 1977
Fowler Series ★ 7.2 The Incredible Hulk 1977
Series ★ 7.4 Lou Grant 1977
Reggie Washburn ★ 5.5 Fury of the Dragon 1976
Frank P. Scanlon ★ 5.3 The Big Bus 1976
Mr. Ames ★ 5.8 St. Ives 1976
Mickey Series ★ 7.5 Quincy, M.E. 1976
Series ★ 6.7 Charlie's Angels 1976
Twilliger ★ 6.3 The Other Side of the Mountain 1975
Dean Series ★ 7.3 Starsky & Hutch 1975
Series ★ 7.1 S.W.A.T. 1975
★ 6.7 The Green Hornet 1974
Dist. Atty Scanlon Series ★ 8 Little House on the Prairie 1974
Sandler Series ★ 7.6 The Rockford Files 1974
Clyde Russell Series ★ 7.2 Petrocelli 1974
Arthur Martin Series ★ 7.3 The Six Million Dollar Man 1974
General Harland Tate ★ 6.5 Executive Action 1973
Smythe Series ★ 7.3 Kojak 1973
Judge Lavery Series ★ 7.9 M*A*S*H 1972
General Weiskopf Series ★ 6.9 The Rookies 1972
Series ★ 7.1 The Streets of San Francisco 1972
Series ★ 7.1 The Waltons 1972
Mr. Clarence Johnson Series ★ 8.4 Banacek 1972
Walter Peterson Series ★ 8 Emergency! 1972
James Barnes ★ 5.3 The Return of Count Yorga 1971
Bill Nelson ★ 6 The Mephisto Waltz 1971
Party Guest (uncredited) ★ 6.5 Lawman 1971
Luther Harris ★ 7.1 The Andromeda Strain 1971
Assistant to Cabinet Secretary (uncredited) Series ★ 7 Alias Smith and Jones 1971
Series ★ 7.1 McMillan & Wife 1971
D. A. Chapman ★ 6 The Landlord 1970
William Enders ★ 7.2 Tora! Tora! Tora! 1970
Captain Theodore Wilkinson ★ 6 Marooned 1969
Network Commentator Series ★ 7.2 Hawaii Five-O 1969
Samuel Hammock Series ★ 6.6 Marcus Welby, M.D. 1969
Dr. Roy Staples ★ 6.9 Yours, Mine and Ours 1968
Howard Beardsley ★ 7.6 The Graduate 1967
Mr. McGuire Series ★ 6.8 Mannix 1967
Series ★ 6.8 Ironside 1967
Series ★ 6.8 The High Chaparral 1967
Carney Series ★ 6.8 The Invaders 1967
Danvers Series ★ 7 Dragnet 1967
Capt. Carl Fuller Series ★ 7.2 The Rat Patrol 1966
Capt. Vulcan Series ★ 7.4 The Green Hornet 1966
Frank P. Scanlon Series ★ 5.6 The F.B.I. 1965
Lucas Vale Series ★ 6.2 The Big Valley 1965
Dave Steigler Series ★ 7.6 The Wild Wild West 1965
Prosecutor Series ★ 7.9 The Munsters 1964
Series ★ 7.8 Voyage to the Bottom of the Sea 1964
Dan Case Series ★ 7.3 The Fugitive 1963
Jesse Platt ★ 5.9 The Wonderful World of the Brothers Grimm 1962
The Mayor (segment "The Cobbler and the Elves") Series ★ 6.5 The Virginian 1962
Lt. Paul Kenner Series ★ 6.7 McHale's Navy 1962
Capt. Harper ★ 4.4 Bloodlust! 1961
Dean Gerrard Series ★ 8.5 The Twilight Zone 1959
Chad Cooper Series ★ 7.5 Bonanza 1959
Tobias Wentworth Finch Series ★ 7.7 Perry Mason 1957
District Attorney ★ 5.6 Conquest of Space 1955
Gen. Samuel T. Merritt Series ★ 6.7 Gunsmoke 1955
Capt. Nichols Series ★ 6.2 Cheyenne 1955
Edward DeVier ★ 5.3 C-Man 1949
Joe ★ 6.1 Desperate Journey 1942
Sgt. Warwick ★ 6.7 All Through the Night 1942
Reporter (uncredited) ★ 6.9 In This Our Life 1942
Cab Driver (uncredited) ★ 6.7 They Died with Their Boots On 1941
Cadet Rosser (uncredited) 
