GREENALGAE

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