DERAILLEUR

LEADINGMANMale movie star INITIALIZEAssign a starting value, in computer programming lingo ... or a phonetic hint to 10- and 14-Across? OUTONALIMBPositioned precariously … or where the ends of 16-, 24-, 35- and 49-Across can all be found NISSANLEAFElectric vehicle from Japan REINFORCERIt strengthens control over police, right? STUNTWOMANFilm's female daredevil WISHYWASHYWith one throw, twice as weak? ATANYPRICEPay certain crackpot, no matter the cost AYECAPTAINSailor's "Yes, sir!" EYEWITNESSTrial figure giving a firsthand account POCKETDIALCall unwittingly GOBSTOPPERA hard sweet for a hard palate maybe? IOWEYOUONE"Thanks so much!" BACKGROUNDPrevious history of support crushed (10)