Cool Million [a.k.a. Mask of Marcella]

Private investigator Jefferson Keyes becomes involved in the strange death of Raymond Pascal, one of the world's richest men. Jefferson Keyes is offered a million-dollar fee to locate Marcella Pascal, the heiress to a $56-million fortune when her father dies under mysterious circumstances. Carla Miles, the man's long-time companion, contests the will, claiming to have married him secretly. Keyes gets embroiled with Inspector Duprez and a retired moviemaker. His investigation also leads him to Adrienne, said to be the missing daughter suffering from amnesia. Mme. Marline is the head mistress of the private school from which the girl supposedly disappeared.