The Florentine Dagger

Donald Woods

Juan Cesare

Margaret Lindsay

Florence Ballau

C. Aubrey Smith

Gerard Lytton

Henry O'Neill

Victor Ballau

Robert Barrat

Inspector Von Brinkner

Florence Fair

Teresa

Frank Reicher

Von Stein

Charles Judels

Salvatore

Rafaela Ottiano

Lili Salvatore

Paul Porcasi

Antonio

Eily Malyon

Fredericka

Egon Brecher

Karl

Herman Bing

Baker

Henry Kolker

Auctioneer

Barlowe Borland

Eric (uncredited)

Glen Cavender

Detective (uncredited)

Wheaton Chambers

Servant (uncredited)

Sin foto

Carlos De Valdez

Conductor (uncredited)

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Charles Fallon

Apothecary (uncredited)

Betty Farrington

Frieda (uncredited)

Olaf Hytten

Scotland Yard Radio Operator (uncredited)

William Irving

Policeman Schultz (uncredited)

Charles Lane

Man in Front Row (archive footage)

Eric Mayne

Bidder at Auction (uncredited)

William V. Mong

Fishback (uncredited)

David Newell

Rodrigo (uncredited)

Paul Panzer

Detective (uncredited)

Russ Powell

First Taxi Driver (uncredited)

Sin foto

Adrian Rosley

Pasquale (uncredited)

Ferdinand Schumann-Heink

Policeman Otto (uncredited)

Sin foto

Louise Seidel

Baker's Daughter (uncredited)

Ruthelma Stevens

Fraulein von Elsner (uncredited)

Frederick Sullivan

Romberg (uncredited)

Sin foto

Bernard Suss

Heinrich (uncredited)

Frank Thornton

(uncredited)

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Anders Van Haden

Bidder (uncredited)

Sin foto

William Wagner

Coroner (uncredited)