Clifton Webb

Clifton Webb (November 19, 1889 – October 13, 1966) was an American actor, dancer, and singer known for his Oscar-nominated roles in such films as Laura, The Razor's Edge, and Sitting Pretty. In the theatrical world he was known for his appearances in the plays of Noël Coward, notably Blithe Spirit. Description above from the Wikipedia article Clifton Webb, licensed under CC-BY-SA, full list of contributors on Wikipedia
Cast

Laura
Waldo Lydecker

The Dark Corner
Hardy Cathcart

National Red Cross Pageant
Dancer, The Pavane - French episode

Polly with a Past
Harry Richardson

Cheaper by the Dozen
Frank Gilbreth

Three Coins in the Fountain
John Frederick Shadwell

Stars and Stripes Forever
John Philip Sousa

The Man Who Never Was
Lt. Cmdr. Ewen Montagu

Boy on a Dolphin
Victor Parmalee

Mr. Belvedere Rings the Bell
Mr.Belvedere

Titanic
Richard Ward Sturges

Belles on Their Toes
Frank Gilbreth (uncredited)

The Razor's Edge
Elliott Templeton

The Legend of Rudolph Valentino
Self (archive footage)

Sitting Pretty
Lynn Belvedere

Mr. Belvedere Goes to College
Lynn Belvedere

Dreamboat
Thornton Sayre

For Heaven's Sake
Charles / Slim Charles

Mister Scoutmaster
Robert Jordan

Satan Never Sleeps
Father Bovard

Woman's World
Ernest Gifford

Holiday for Lovers
Robert Dean

The Remarkable Mr. Pennypacker
Mr. Horace Pennypacker
The Still Alarm
Bob Barclay

Elopement
Howard Osborne

Barbara Stanwyck: Straight Down The Line
Self (archive footage)

New Toys
Tom Lawrence

Preminger: Anatomy of a Filmmaker
actor 'Laura' (archive footage) (uncredited)

The Silver Screen: Color Me Lavender
Self (archive footage)

The Heart of a Siren
Maxim