James Franciscus

Moses Brody

Mimsy Farmer

Jean Beneyton

Venantino Venantini

Forsythe

Joseph Cotten

Milland

Van Johnson

Captain Scott

Fiamma Maglione

Nicole Brody

Edmund Purdom

Danker

Ottaviano Dell'Acqua

John - Forsythe's Henchman

Renzo Marignano

Martinez - Milland's Advisor

Monica Scattini

Woman in Moses' Office

Renata Zamengo

Girl's Mother - 2nd Concorde

Peter Boom

Journalist (uncredited)

Ruggero Deodato

Man in Nicole's Restaurant (uncredited)

John P. Dulaney

Man on Boat (uncredited)

Lina Franchi

Passenger - 2nd Concorde (uncredited)

Alfonso Giganti

Passenger - 2nd Concorde (uncredited)

Robert Kerman

Chief Operator Kelman - Chief London Air Traffic Controller (uncredited)

Alba Maiolini

Passenger - 2nd Concorde (uncredited)

Giuseppe Marrocco

Passenger - 2nd Concorde (uncredited)

John Stacy

American Consul (uncredited)

Jake Teague

London Air Traffic Controller (uncredited)

Goffredo Unger

Forsythe Henchman (uncredited)