Reginald Denny (born Reginald Leigh Dugmore) was an English stage, screen, and television actor, as well as an aviator and unmanned aerial vehicle (UAV) pioneer.
| 2017 | LA 92 as Self (archive footage) |
| 1966 | Batman as Commodore Schmidlapp |
| 1966 | Assault on a Queen as Master-at-Arms |
| 1965 | Kanunsuz Silahşör as Sir Harry Percival |
| 1961 | The Phantom as Commissioner R.G. Mallory |
| 1957 | The Helen Morgan Story as George White |
| 1957 | The Last Tycoon as Dean |
| 1956 | 80 Günde Devr-i Alem as Police Chief |
| 1955 | Escape to Burma as Commissioner |
| 1955 | Sabaka as Sir Cedric |
| 1954 | World for Ransom as Major Ian Bone |
| 1953 | Abbott and Costello Meet Dr. Jekyll and Mr. Hyde as Inspector |
| 1953 | Fort Vengeance as Inspector Trevett |
| 1950 | The Iroquois Trail as Capt. Edward Brownell |
| 1950 | Screen Actors as Self (uncredited) |
| 1948 | Mr. Blandings Builds His Dream House as Henry L. Simms |
| 1947 | Escape Me Never as Mr. MacLean |
| 1947 | Christmas Eve as Phillip Hastings |
| 1947 | The Secret Life of Walter Mitty as Air Commodore |
| 1947 | The Macomber Affair as Police Inspector |
| 1947 | My Favorite Brunette as James Collins |
| 1946 | The Locket as Mr. Wendell |
| 1946 | Tangier as Fernandez |
| 1946 | Jungle Terror as Ralph Marshall |
| 1945 | Love Letters as Defense Counsel Phillips |
| 1944 | Song of the Open Road as Director Curtis |
| 1943 | The Crime Doctor’s Strangest Case as Paul Ashley |
| 1942 | Thunder Birds as Barrett |
| 1942 | Eyes in the Night as Stephen Lawry |
| 1942 | Hedda Hopper’s Hollywood No. 6 as Himself |
| 1942 | Sherlock Holmes and the Voice of Terror as Sir Evan Barham |
| 1942 | Captains of the Clouds as Commanding Officer |
| 1942 | Over My Dead Body as Richard 'Dick' Brenner |
| 1941 | Appointment for Love as Michael Dailey |
| 1941 | International Squadron as Wing Commander Severn |
| 1941 | One Night In Lisbon as Erich Strasser |
| 1940 | Seven Sinners as Captain Church |
| 1940 | Spring Parade as The Major |
| 1940 | Rebeka as Frank Crawley |
| 1939 | Bulldog Drummond's Bride as Algy Longworth |
| 1939 | Hollywood Hobbies as Self (uncredited) |
| 1939 | Bulldog Drummond's Secret Police as 'Algy' Longworth |
| 1939 | Everybody's Baby as Dr. Pilcoff |
| 1938 | Arrest Bulldog Drummond as Algy Longworth |
| 1938 | Bulldog Drummond in Africa as Algernon 'Algy' Longworth |
| 1938 | Blockade as Edward Grant |
| 1938 | Four Men and a Prayer as Douglas Loveland |
| 1938 | Bulldog Drummond's Peril as Algy Longworth |
| 1937 | Bulldog Drummond's Revenge as Algy Longworth |
| 1937 | Beg, Borrow or Steal as Clifton Summitt |
| 1937 | Sunday Night at the Trocadero as Master of Ceremonies |
| 1937 | Bulldog Drummond Comes Back as Algy Longworth |
| 1937 | Jungle Menace as Ralph Marshall |
| 1937 | The Great Gambini as William Randall |
| 1937 | Let's Get Married as George Willoughby |
| 1937 | Women of Glamour as Fritz Eagan |
| 1937 | Join the Marines as Steve Lodge |
| 1937 | Bulldog Drummond Escapes as Algy Longworth |
| 1936 | We're in the Legion Now as Dan Linton |
| 1936 | More Than a Secretary as Bill Houston |
| 1936 | Two in a Crowd as James Stewart Anthony |
| 1936 | Romeo and Juliet as Benvolio |
| 1936 | It Couldn't Have Happened (But It Did) as Greg Stone |
| 1936 | The Preview Murder Mystery as Johnny Morgan |
| 1935 | Midnight Phantom as Prof. David Graham |
| 1935 | Remember Last Night? as Jake Whitridge |
| 1935 | The Lady in Scarlet as Oliver Keith |
| 1935 | Here's to Romance as Emery Gerard |
| 1935 | Starlit Days at the Lido as Self |
| 1935 | Anna Karenina as Yashvin |
| 1935 | No More Ladies as Oliver Allen |
| 1935 | Vagabond Lady as John Spear |
| 1935 | Without Children as Phil Graham |
| 1935 | The Lottery Lover as Captain Payne |
| 1934 | The Little Minister as Captain Halliwell |
| 1934 | The Richest Girl in the World as Phillip Lockwood |
| 1934 | One More River as David Dornford |
| 1934 | Of Human Bondage as Harry Griffiths |
| 1934 | We're Rich Again as "Bookie" Wells |
| 1934 | The World Moves On as Erik von Gerhardt |
| 1934 | Dancing Man as Paul Drexel |
| 1934 | The Lost Patrol as Brown |
| 1933 | The Big Bluff |
| 1933 | Fog as Dr. Winstay |
| 1933 | Only Yesterday as Bob |
| 1933 | The Barbarian as Gerald Hume |
| 1933 | Hamlet, Act I: Scenes IV and V as Horatio |
| 1933 | The Iron Master as Steve Mason |
| 1932 | Strange Justice as Henry I. Judson |
| 1931 | The Christmas Party as Himself |
| 1931 | Private Lives as Victor Prynne |
| 1931 | Stepping Out as Tom Martin |
| 1931 | Kiki as Victor Randall |
| 1931 | Acemi Koca as Jeffrey Haywood |
| 1930 | Oh, for a Man! as Barney McGann |
| 1930 | A Lady's Morals as Paul Brandt |
| 1930 | Those Three French Girls as Larry |
| 1930 | Madam Satan as Bob Brooks |
| 1930 | The Voice of Hollywood |
| 1930 | What a Man as Wade Rawlins |
| 1930 | The Voice of Hollywood No. 3 as Himself |
| 1930 | Embarrassing Moments as Thaddeus Cruikshank |
| 1929 | One Hysterical Night as William 'Napoleon' Judd |
| 1929 | His Lucky Day as Charles Blaydon |
| 1929 | Clear the Decks as Jack Armitage |
| 1929 | Red Hot Speed as Darrow |
| 1928 | The Night Bird as Kid Davis |
| 1928 | Good Morning, Judge as Freddie Grey |
| 1927 | That's My Daddy as James 'Jimmy' Norton |
| 1927 | On Your Toes! as Elliott Beresford |
| 1927 | Out All Night as John Graham |
| 1927 | Life in Hollywood No. 3 as Self |
| 1927 | Fast and Furious as Tom Brown |
| 1926 | The Cheerful Fraud as Sir Michael Fairlie |
| 1926 | Take It from Me as Tom Eggett |
| 1926 | Rolling Home as Nat Alden |
| 1926 | Skinner's Dress Suit as Skinner |
| 1926 | What Happened to Jones? as Tom Jones |
| 1925 | California Straight Ahead as Tom Hayden |
| 1925 | Where Was I? as Thomas S. Berford |
| 1925 | I'll Show You the Town as Alec Dupree |
| 1925 | Oh, Doctor! as Rufus Billings Jr. |
| 1924 | The Fast Worker as Terry Brock |
| 1924 | The Reckless Age as Dick Minot |
| 1924 | The City of Stars: A Reporters Visit to the Universal Studios |
| 1924 | Sporting Youth as Jimmy Wood |
| 1923 | The Thrill Chaser as Himself - Cameo |
| 1923 | Barnaby's Grudge as Kane Halliday / Kid Roberts |
| 1923 | Columbia, the Gem, and the Ocean as Kane Halliday / Kid Roberts |
| 1923 | Something for Nothing as Kane Halliday / Kid Roberts |
| 1923 | Don Coyote as Kane Halliday / Kid Roberts |
| 1923 | The Widower's Mite as Kane Halliday / Kid Roberts |
| 1923 | The Wandering Two as Kane Halliday / Kid Roberts |
| 1923 | Abysmal Brute as Pat Glendon, Jr |
| 1923 | Joan of Newark as Kane Halliday / Kid Roberts |
| 1923 | Strike Father, Strike Son as Kane Halliday / Kid Roberts |
| 1923 | When Kane Met Abel as Kane Halliday / Kid Roberts |
| 1923 | The Chickasha Bone Crusher as Kane Halliday / Kid Roberts |
| 1922 | He Raised Kane as Kane Halliday / Kid Roberts |
| 1922 | The Kentucky Derby as Donald Gordon |
| 1922 | Young King Cole as Kane Halliday / Kid Roberts |
| 1922 | The Jaws of Steel as Cpl. Haldene, N.W.M.P. |
| 1922 | Never Let Go as Campbell - the Mountie |
| 1922 | Whipsawed as Kane Halliday / Kid Roberts |
| 1922 | The Taming of the Shrewd as Kane Halliday / Kid Roberts |
| 1922 | A Fool and His Money as Kane Halliday / Kid Roberts |
| 1922 | Payment Through the Nose as Kane Halliday/Kid Roberts |
| 1922 | Round Two as Kane Halliday/Kid Roberts |
| 1922 | Sherlock Holmes as Prince Alexis |
| 1922 | Let's Go as Kane Halliday / 'Kid' Roberts |
| 1921 | The Iron Trail as Dan Appleton |
| 1921 | Tropical Love as The Drifter |
| 1921 | Footlights as Brett Page |
| 1921 | The Beggar Maid as The Earl of Winston / King Cophetua |
| 1921 | Disraeli as Charles, Viscount Deeford |
| 1921 | Experience |
| 1921 | The Price of Possession as Robert Dawnay |
| 1921 | Paying the Piper as Keith Larne |
| 1920 | 39 East as Napolean Gibbs Jr. |
| 1920 | A Dark Lantern as Prince Anton of Argovinia |
| 1919 | The Oakdale Affair as Arthur Stockbridge |
| 1919 | Bringing Up Betty as Tom Waring |
| 1915 | The Melting Pot as (uncredited) |
| 1915 | Niobe as Cornelius Griffin (as Leigh Denny) |
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