One, Two, Three: Cast

James Cagney
C.R. MacNamara

Horst Buchholz
Otto Ludwig Piffl

Pamela Tiffin
Scarlett Hazeltine

Arlene Francis
Phyllis MacNamara

Howard St. John
Wendell P. Hazeltine

Hanns Lothar
Schlemmer

Leon Askin
Peripetchikoff

Ralf Wolter
Borodenko

Karl Lieffen
Fritz

Hubert von Meyerinck
Count von Droste Schattenburg
Loïs Bolton
Melanie Hazeltine

Peter Capell
Mishkin

Til Kiwe
Reporter

Henning Schlüter
Dr. Bauer

Karl Ludwig Lindt
Zeidlitz

Liselotte Pulver
Fräulein Ingeborg

Red Buttons
MP Sergeant (uncredited)
Christine Allen
Cindy MacNamara (uncredited)
John Allen
Tommy MacNamara (uncredited)

John Banner
Krause / Haberdrasher (voice) (uncredited)
Max Buchsbaum
Tailor (uncredited)
Werner Buttler
East German Policeman (uncredited)
Paul Bös
Krause (uncredited)
Josef Coesfeld
Hairdresser (uncredited)
Siegfried Dornbusch
East German Policeman (uncredited)

Gernot Duda
Suitcase Salesman (uncredited)
Otto Friebel
Interrogator (uncredited)

Friedrich Hollaender
Conductor at Grand Hotel (uncredited)
Rose Renée Roth
Berta (uncredited)

Sig Ruman
Count von Droste Schattenburg (voice) (uncredited)

Helmut Schmid
East German Policeman (uncredited)

Jaspar von Oertzen
Haberdasher (uncredited)