HOSTED AND NARRATED BY
CHRIS MORGAN
WRITTEN AND PRODUCED BY
JOSEPH PONTECORVO
DIRECTOR OF PHOTOGRAPHY
JOSEPH PONTECORVO
EDITOR
BILLY McMILLIN
ASSISTANT EDITOR
PHILIP THANGSOMBAT
ASSOCIATE PRODUCER
DEAN CANNON
ORIGINAL MUSIC BY
LENNY WILLIAMS
CHRIS BIONDO
AERIAL CINEMATOGRAPHY
RON CHAPPLE / AERIAL FILMWORKS
FREEFLY CINEMA
ADDITIONAL CINEMATOGRAPHY BY
BRENDA PHILLIPS
DEAN CANNON
JOHN WHITTIER
LOCATION SOUND
NIMMIDA PONTECORVO
SUPERVISING SOUND EDITOR
SCOT B. CHARLES
SOUND EDITOR
LEN DELOREY
ONLINE EDITOR
SHANE DILLON
RE-RECORDING MIXER
ED CAMPBELL
COLORIST
ERIC ROSEN
BASED ON RESEARCH BY
CHRIS MORGAN
SPECIAL THANKS
ALASKA AIRLINES
ALASKA FILM OFFICE
NATIONAL PARK SERVICE, US DEPARTMENT OF INTERIOR
POWERENZ SOLAR POWERED EQUIPMENT
SIMMS FISHING PRODUCTS
SPROCKETHEADS
MAGELLAN GPS
UDAP
JOSH SCHEIN / ANDREW AIRWAYS
JOHN ROGERS
BRAD JOSEPHS
TOM SMITH
NATHAN STEWART
TODD MOEN / SPIRIT RIVER STUDIOS
IAN MARTIN / ARC TERYX
JOHN TAYLOR
DR. ANNE MIZE
STOCK FOOTAGE
DANIEL ZATZ / ZATZWORKS
FOR NATURE
SERIES EDITOR
JANET HESS
SUPERVISING PRODUCER
JANICE YOUNG
SENIOR PRODUCER
LAURA METZGER
PRODUCTION MANAGER
JULIE SCHAPIRO THORMAN
PRODUCTION ASSISTANT
JAYNE JUN
HD ONLINE EDITOR
PATRICK KRASS
SERIES PRODUCER
BILL MURPHY
EXECUTIVE IN CHARGE
WILLIAM GRANT
EXECUTIVE PRODUCER
FRED KAUFMAN
A Production of Pontecorvo Productions and THIRTEEN in association with Wildlife Media, National Geographic Channel and WNET New York Public Media.
This program was produced by THIRTEEN, which is solely responsible for its content.
© 2011 WNET
All rights reserved
WEB CREDITS
PRODUCER
KATE FULTON
ASSOCIATE PRODUCER
CHIE WITT
PRODUCTION ASSISTANCE
SAM CHUNG
PIYALI SYAM
DESIGNER
JOY WEEENG
PAGEBUILDING
BRIAN SANTALONE
TECHNICAL DIRECTOR
BRIAN LEE
CREATIVE DIRECTOR
NICK MILLER
DIRECTOR OF DIGITAL STRATEGY
DAVID HIRMES
SENIOR DIRECTOR
DANIEL B. GREENBERG
WRITERS
SAM CHUNG
PIYALI SYAM



