Word has come from actress Monika Swinn that the prolific French actor/director Olivier Mathot (Claude Plaut) died in December, 2011. She had no further details on the cause, place or exact time/date of his demise.
Born Claude Albert Plaut on June 22, 1924 in Paris, France, Mathor was a familiar face in numerous Eurocine co-productions from “Crimson”, (1973), in which he played alongside Paul Naschy, to “Devil Kiss” (1975), a Spanish French Eurocine coproduction in which he appeared with the late Silvia Solar, “Maniac Killer” (1988) with Chuck Connors, to numerous Jess Franco directed-Eurocine produced thrillers such as “Exorcism” (1974) and its reedited 1979 version (“El Sadico de Notre Dame”), “Shining Sex” in which he appeared with Ms. Swinn (1975), and “Kiss Me Killer” (1977). He also appeared in Jess Franco’s “The Midnight Party (1976), Michel Lemoine's “Desire Under the Sun” (1982), among many other titles. His acting career began in 1944 and his last listed role, according to the IMDb, was in the rarely seen Jess Franco/Jean Rollin crime/kidnapping adventure “À la poursuite de Barbara” (1991). He appeared under the aliases Oliver Mathews, Oliver Matthau, Claude Plaud. Mathot also directed a number of films as well as scenes in alternate [French] Eurocine versions of Jess Franco films, such as “Cecilia” (1980) and “The Diamonds of Kilimanjaro” (1983). A reliable actor with a distinguished appearance he could effectively play criminals, mad scientists, police officers and comedy. – Bob Monel
His Euro-westerns included “The Return of Clay Stone”, “Three Dollars of Lead” (both 1964) and “Convoy of Women” (1974).