Jay Cassidy
Jay Cassidy is an American film editor with dozens of credits since 1978.
Cassidy began his career in the 1970s working on documentaries and political advertising. He has had a notable collaboration with Sean Penn, having edited all of the films directed by Penn. Early in his career, Cassidy edited the documentary film High Schools (1983) that was directed by Charles Guggenheim; more recently he has edited several documentaries by Guggenheim's son Davis Guggenheim, including An Inconvenient Truth (2006).
Cassidy was nominated for the Academy Award for Best Film Editing and for an ACE Eddie Award for Into the Wild (directed by Sean Penn - 2007). In 2012, he was nominated for his second Academy Award for Best Film Editing for Silver Linings Playbook, which won the Eddie and the Satellite Award for Best Editing. Cassidy was nominated for a third Academy Award for American Hustle (directed by David O. Russell—2013) and again won the Eddie for that film. He had won the Eddie for Best Documentary Editing for An Inconvenient Truth (directed by Davis Guggenheim—2006). Both High Schools and An Inconvenient Truth were nominated for the Academy Award for Best Documentary Feature, and An Inconvenient Truth won the award.
Cassidy has been elected to membership in the American Cinema Editors.
Cassidy received a bachelor's degree from the University of Michigan circa 1972 and was a photographer for The Michigan Daily and the Michiganensian on campus. In 2006, Cassidy won the 39th Cartoon Caption Contest of The New Yorker magazine.
The Best of May, 1968, a short film directed by Cassidy in 1972, was preserved by the Academy Film Archive in 2019.
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Urban Legacy: The Story Behind Urban Legend

An Inconvenient Truth

The Assassination of Richard Nixon

Frankenstein Unbound

Ballistic: Ecks vs. Sever

Into the Wild

The Pledge

The Replacement Killers

Brothers

Amsterdam

Urban Legend

The Crossing Guard

Brainscan

First Snow

Conviction

Fright Night Part 2

Silver Linings Playbook

Seeking Justice

The End of August

American Hustle

Waltz Across Texas

Fury

Foxcatcher

Three for the Road

Joy

Wolfen

The Hunchback
HR 6161: An Act of Congress

The Last Face

The Big Kahuna
Cinema Street

Gossip

Thoughtcrimes

The First Year

Thank You for Your Service

A Star Is Born

Roadhouse 66

Nightflyers

Tequila Sunrise

11’09”01—September 11

Aloha Summer

U2: From the Sky Down

Albino Alligator

Justin Bieber: Never Say Never

Waiting for "Superman"

The Indian Runner

Birds of Prey (and the Fantabulous Emancipation of One Harley Quinn)
The Best of May, 1968

The Thorn

Frankenstein Unbound

The King of Staten Island

Love is Forever

Tuck Everlasting

Bodies, Rest & Motion

Johnny Got His Gun

Killer Heat
