 The Rat Pack1998 · Joe Kennedy | Joe Kennedy |
 Love, Cheat & Steal1993 · Hamilton Fisk | Hamilton Fisk |
 RoboCop 21990 · The Old Man | The Old Man |
 A Waltz Through the Hills1988 · Uncle Tom | Uncle Tom |
 The Dead1987 · Mr. Browne | Mr. Browne |
 RoboCop1987 · The Old Man | The Old Man |
 Dark Mansions1986 · Alexander Drake | Alexander Drake |
 The Whoopee Boys1986 · Judge Sternhill | Judge Sternhill |
 The Last Starfighter1984 · Grig | Grig |
 Halloween III: Season of the Witch1982 · Conal Cochran | Conal Cochran |
 Artemis '811981 · Albrecht Von Drachenfels | Albrecht Von Drachenfels |
 Death Ray 20001981 · The Director | The Director |
 Mark Twain: Beneath the Laughter1979 · Mark Twain | Mark Twain |
 Deadly Game1977 · Colonel Edward Stryker | Colonel Edward Stryker |
 MacArthur1977 · President Roosevelt | President Roosevelt |
 Good Against Evil1977 · Father Kemschler | Father Kemschler |
 Banjo Hackett: Roamin' Free1976 · Tip Conaker | Tip Conaker |
 The Quest: The Longest Drive1976 · Mathew Hatcher | Mathew Hatcher |
 Jennie: Lady Randolph Churchill1974 · Leonard Jerome | Leonard Jerome |
 The Tamarind Seed1974 · Fergus Stephenson | Fergus Stephenson |
 The Carey Treatment1972 · J.D. Randall | J.D. Randall |
 The People1972 · Sol Diemus | Sol Diemus |
 Waterloo1970 · Marshal Michel Ney | Marshal Michel Ney |
 The Big Cube1969 · Charles Winthrop | Charles Winthrop |
 100 Rifles1969 · Steven Grimes | Steven Grimes |
 How to Steal the World1968 · Prof. David Garrow | Prof. David Garrow |
 Fail Safe1964 · Brig. Gen. Warren A. Black | Brig. Gen. Warren A. Black |
 The Cabinet of Caligari1962 · Caligari / Paul | Caligari / Paul |
 King of the Roaring 20's – The Story of Arnold Rothstein1961 · Detective Phil Butler | Detective Phil Butler |
 One Foot in Hell1960 · Sir Harry Ivers | Sir Harry Ivers |
 A Terrible Beauty1960 · Don McGinnis | Don McGinnis |
 The Young Land1959 · Judge Millard Isham | Judge Millard Isham |
 Imitation of Life1959 · David Edwards | David Edwards |
 Home Before Dark1958 · Arnold Bronn | Arnold Bronn |
 That Woman Opposite1957 · Dermot Kinross | Dermot Kinross |
 The Blackwell Story1957 · Dr. Keller | Dr. Keller |
 The Virgin Queen1955 · Lord Derry | Lord Derry |
 The Purple Mask1955 · Brisquet | Brisquet |
 Hunters of the Deep1955 · Narrator | Narrator |
 Bengal Brigade1954 · Capt. Ronald Blaine (as Daniel O'Herlihy) | Capt. Ronald Blaine (as Daniel O'Herlihy) |
 The Black Shield of Falworth1954 · Prince Hal of Wales | Prince Hal of Wales |
 Robinson Crusoe1954 · Robinson Crusoe | Robinson Crusoe |
 Sword of Venus1953 · Danglars | Danglars |
 Invasion, U.S.A.1952 · Mr. Ohman | Mr. Ohman |
 Operation Secret1952 · Lt. Duncan | Lt. Duncan |
 Actors and Sin1952 · Alfred O'Shea / Narrator (segment Actor's Blood) | Alfred O'Shea / Narrator (segment Actor's Blood) |
 At Sword's Point1952 · Aramis Jr. | Aramis Jr. |
 The Blue Veil1951 · Hugh Williams | Hugh Williams |
 The Desert Fox: The Story of Rommel1951 · Commando Captain (uncredited) | Commando Captain (uncredited) |
 The Highwayman1951 · Robin | Robin |
 Soldiers Three1951 · Sgt.Murphy | Sgt.Murphy |
 The Iroquois Trail1950 · Lt. Blakely | Lt. Blakely |
 Kidnapped1948 · Alan Breck | Alan Breck |
 Macbeth1948 · Macduff | Macduff |
 Larceny1948 · Duke | Duke |
 Odd Man Out1947 · Nolan | Nolan |
 Hungry Hill1947 · Harry Brodrick | Harry Brodrick |
