Credits

• 1973 · My Darling Daughters' Anniversary as Matthew Cunningham
• 1973 · The President's Plane Is Missing as Secretary of State Freeman Sharkey
• 1972 · All My Darling Daughters as Matthew Cunningham
• 1971 · Walt Whitman: Poet for a New Age as Abraham Lincoln
• 1970 · Night Gallery as Dr. Glendon
• 1969 · Mackenna's Gold as The Preacher
• 1967 · Saint Joan as The Inquisitor
• 1966 · The Girl from U.N.C.L.E. as
• 1964 · Choice as Narrator
• 1962 · How the West Was Won as Abraham Lincoln
• 1962 · The Tonight Show Starring Johnny Carson as Self
• 1962 · The Merv Griffin Show as Self
• 1961 · The Queen's Guards as
• 1961 · Dr. Kildare as Dr. Leonard Barry Gillespie
• 1961 · The Fiercest Heart as Willem Prisloom
• 1960 · The Great Impostor as Abbott Donner
• 1960 · Insight as
• 1960 · Seconds for Survival as Self - Narrator (voice)
• 1959 · Adventures in Paradise as Captain William Brooks
• 1959 · Riverboat as Sir Oliver Garnett
• 1958 · Westinghouse Desilu Playhouse as Amos Claypool
• 1958 · The Naked and the Dead as General Cummings
• 1957 · Omar Khayyam as The Shah
• 1957 · Mayerling as The Prime Minister
• 1956 · The True Story of the Civil War as Narrator
• 1956 · Dick Powell's Zane Grey Theatre as Malachi West
• 1956 · The Naked Eye as Sprecher
• 1955 · The 20th Century Fox Hour as
• 1955 · Alfred Hitchcock Presents as Sam Pine
• 1955 · East of Eden as Adam Trask
• 1955 · Seven Angry Men as John Brown
• 1955 · Battle Cry as Major General Snipes
• 1955 · Prince of Players as Junius Brutus Booth
• 1954 · Climax! as Doc Woodward
• 1954 · Climax! as Sir George Sidney
• 1953 · The American Road as Narrator
• 1953 · The Desert Song as Sheik Yousseff
• 1953 · General Electric Theater as Lord Hook
• 1953 · General Electric Theater as Paul von Hindenburg
• 1952 · Carson City as Big Jack Davis
• 1951 · Hallmark Hall of Fame as The Inquisitor
• 1951 · Come Fill the Cup as John Ives
• 1951 · David and Bathsheba as Nathan
• 1951 · Sugarfoot as Jacob Stint
• 1951 · The Victor Borge Show as Self
• 1950 · Dallas as Will Marlow
• 1950 · Lux Video Theatre as Abe Lincoln
• 1950 · Challenge: Science Against Cancer as Narrated by (voice)
• 1950 · Barricade as Boss Kruger
• 1950 · Chain Lightning as Leland Willis
• 1950 · What's My Line? as Self - Mystery Guest
• 1950 · Robert Montgomery Presents as Dr. Clark Evans
• 1950 · Robert Montgomery Presents as Judge Benton
• 1950 · Robert Montgomery Presents as
• 1950 · Robert Montgomery Presents as Dr. Henry Craig
• 1949 · Roseanna McCoy as Old Randall McCoy
• 1949 · Lights Out as
• 1949 · The Fountainhead as Gail Wynand
• 1948 · The Ford Theatre Hour as Clinton Jones
• 1948 · Ford Theatre as
• 1948 · The Ed Sullivan Show as Self
• 1947 · Mourning Becomes Electra as Ezra Mannon
• 1947 · Possessed as Dean Graham
• 1946 · A Matter of Life and Death as Abraham Farlan
• 1945 · God Is My Co-Pilot as Maj. Gen. Claire L. Chennault
• 1945 · Hotel Berlin as Arnim von Dahnwitz
• 1944 · The Woman in the Window as Dist. Attorney Frank Lalor
• 1944 · Arsenic and Old Lace as Jonathan Brewster
• 1943 · Action in the North Atlantic as Capt. Steve Jarvis
• 1942 · Breakdowns of 1942 as Self
• 1942 · Desperate Journey as Major Otto Baumeister
• 1942 · Reap the Wild Wind as King Cutler
• 1941 · Dangerously They Live as Dr. Ingersoll
• 1941 · 49th Parallel as Andy Brock
• 1940 · Santa Fe Trail as John Brown
• 1940 · Abe Lincoln in Illinois as Abe Lincoln
• 1938 · The Drum as Prince Ghul
• 1938 · Black Limelight as Peter Charrington
• 1937 · The Hurricane as DeLaage
• 1937 · The Prisoner of Zenda as Black Michael
• 1937 · Under the Red Robe as Cardinal Richelieu
• 1937 · Fire Over England as King Philip II of Spain
• 1937 · Dreaming Lips as Miguel del Vayo
• 1936 · Things to Come as John Cabal / Oswald Cabal
• 1934 · The Scarlet Pimpernel as Chauvelin
• 1932 · The Old Dark House as Philip Waverton
• 1932 · The Face at the Window as Paul le Gros
• 1931 · The Speckled Band as Sherlock Holmes
• 1930 · The Crooked Billet as
• 1929 · High Treason as Member of Federated States Council