Marcelle Chantal
(Betty Williams)
Thomy Bourdelle
(Mark Stone)
Jacques Varennes
(Charlie Thorne)
Robert Hommet
(Allan Stone)
Maurice Schutz
(David Stone)
Jeanne Fusier-Gir
(Switchboard operator)
Pierre Richard-Willm
(Dr. Reynolds)
Louis Kerly
(Kent Carr)
Lucien Callamand
(Hammond)
Raymond Leboursier
(Monk McConnell)
Rachel Launay
(Mary)
Charlotte Martens
(Anna)
Jeanne Frédérique