Complex sentence: Heading there as well is singer Clare Shepperd, using the alias Clare Sinclair, (Linda Darnell) who's also running away--not from her memories--but from her boyfriend, Vic Spilano, a vicious gangster who's under investigation by the U.S. Senate.
Split into simpler sentences: Heading there as well is singer Clare Shepperd, using the alias Clare Sinclair, (Linda Darnell). She's running away as well--not from her memories--but from her boyfriend Vic Spilato, a vicious gangster who's under investigation by the U.S. Senate.