(1940) Rebecca

as Major Giles Lacy

(1943) Lassie Come Home

as Duke of Rudling

(1943) The Spider Woman

as Dr. John H. Watson

(1946) Terror by Night

as Dr. John H. Watson

(1946) Dressed to Kill

as Dr. John H. Watson

(1941) Suspicion

as Gordon Cochrane 'Beaky' Thwaite

(1934) The Scarlet Pimpernel

as The Prince of Wales

(1939) The Hound of the Baskervilles

as Doctor John H. Watson

(1942) Sherlock Holmes and the Voice of Terror

as Doctor Watson

(1945) The House of Fear

as Dr. John Watson

(1944) The Scarlet Claw

as Doctor Watson

(1944) The Pearl of Death

as Dr. John Watson

(1945) The Woman in Green

as Dr. John Watson

(1947) The Two Mrs. Carrolls

as Dr. Tuttle

(1954) World for Ransom

as Governor Sir Charles Coutts

(1952) Limelight

as Postant

(1943) Crazy House

as Dr. Watson

(1940) The Blue Bird

as Mr. Luxury

(1935) She

as Horace Holly

(1945) Son of Lassie

as Duke of Radling

(1945) The Corn Is Green

as The Squire

(1942) Journey for Margaret

as Herbert V. Allison

(1943) Sherlock Holmes in Washington

as Doctor Watson

(1934) Treasure Island

as Squire Trelawney

(1936) The Charge of the Light Brigade

as Sir Benjamin Warrenton

(1935) Becky Sharp

as Joseph Sedley

(1952) Bwana Devil

as Dr. Angus McLean

(1934) Stand Up and Cheer!

as Eustis Dinwiddle

(1939) The Adventures of Sherlock Holmes

as Dr. Watson

(1942) Sherlock Holmes and the Secret Weapon

as Doctor Watson

(1945) Pursuit to Algiers

as Doctor Watson

(1948) Julia Misbehaves

as Col. Bruce 'Bunny' Willowbrook

(1943) Sherlock Holmes Faces Death

as Doctor Watson

(1937) The Last of Mrs. Cheyney

as Lord Willie Winton

(1938) The Baroness and the Butler

as Major Andros

(1936) Under Two Flags

as Capt. Menzies

(1942) Roxie Hart

as E. Clay Benham

(1936) The Trail of the Lonesome Pine

as Thurber

(1941) The Chocolate Soldier

as Bernard Fischer

(1937) Thunder in the City

as Duke Of Glenavon

(1947) The Exile

as Sir Edward Hyde

(1941) Hudson's Bay

as Prince Rupert

(1938) Kidnapped

as Neil MacDonald

(1940) A Dispatch from Reuters

as Sir Randolph Persham

(1972) Hollywood: The Dream Factory

as Self (archive footage)

(1942) This Above All

as Ramsbottom

(1941) Play Girl

as William McDonald Vincent

(1944) Frenchman's Creek

as Lord Godolphin

(1939) The Rains Came

as Lord Albert Esketh

(1950) Vendetta

as Sir Thomas Nevil

(1940) Adventure in Diamonds

as Col. J.W. Lansfield

(1952) Hong Kong

as Lighton

(1935) The Man Who Broke the Bank at Monte Carlo

as Ivan

(1940) Lillian Russell

as William Gilbert

(1933) I Was a Spy

as Scottie

(1936) Follow Your Heart

as Henri Forrester

(1944) Gypsy Wildcat

as High Sheriff

(1938) Suez

as Sir Malcolm Cameron

(1934) Springtime for Henry

as Johnny Jewlliwell

(1930) Birds of Prey

as Major Fothergill

(1940) Susan and God

as 'Hutchie'

(1930) Escape!

as Constable at Vicarage

(1936) The Man I Marry

as Robert Hartley

(1932) Lord Camber's Ladies

as Lord Camber

(1936) The White Angel

as Dr. West

(1934) The Lady Is Willing

as Welton

(1932) The Midshipmaid

as Maj. Spink

(1935) Jalna

as Maurice Vaughn

(1942) Eagle Squadron

as McKinnon

(1941) Free and Easy

as Florian Clemington

(1933) Channel Crossing

as Nigel Guthrie

(1943) Forever and a Day

as Major Garrow

(1941) This Woman Is Mine

as Duncan MacDougall

(1934) Murder in Trinidad

as Bertram Lynch

(1930) Red Aces

as Kinsfeather

(1931) The Calendar

as Lord Willie Panniford

(1930) The Squeaker

as Collie

(1985) The Many Faces of Sherlock Holmes

as Dr. Watson (archive footage)

(1936) Screen Snapshots (Series 16, No. 1)

as Self

(1934) Coming Out Party

as Troon

(1996) In the Footsteps of Sherlock Holmes

as ---

(1952) Four Star Playhouse

as Col. Mournay