Hot Line (US title: The Day the Hot Line Got Hot, or ) is a 1967 French/Spanish international co-production comedy spy thriller directed by Etienne Périer and starring Robert Taylor in his final feature film and Charles Boyer. It was released in the US by American International Pictures. Plot An American and Russian agent find themselves duped by a double agent who works for both of them. Also involved are a naive IBM computer operator and the telephone operator at the hot-line center in Stockholm. Cast Charles Boyer as Vostov, KGB head Robert Taylor as Anderson, CIA chief George Chakiris as Eric Ericson, Computer Expert with IBM Marie Dubois as Natasha Gérard Tichy as Truman Marta Grau as Old Lady Irene D'Astrea as Old Lady Josefina Tapias as Old Lady Maurice de Canonge as Director of Hotel Gustavo Re as Police Chief Ilya Salkind as himself Bibliography References External links 1978 films 1960s spy comedy films Films directed by Étienne Périer French spy comedy films American International Pictures films English-language French films Films about telephony 1967 comedy films 1967 films 1970s English-language films 1960s English-language films 1960s French films 1970s French films