Alligator

Robert Forster

As David

Robin Riker

As Marisa

Michael V. Gazzo

As Chief Clark

Dean Jagger

As Slade

Sydney Lassick

As Gutchel

Jack Carter

As Mayor

Perry Lang

As Kelly

Henry Silva

As Brock

Bart Braverman

As Kemp

John Lisbon Wood

As Mad Bomber

James Ingersoll

As Helms

Robert Doyle

As Bill

Patti Jerome

As Madeline

Angel Tompkins

As Newswoman

Sue Lyon

As ABC Newswoman

Leslie Brown

As Young Marisa

Buckley Norris

As Bob

Royce D. Applegate

As Callan

Tom Kindle

As Announcer

Jim Brockett

As Gator Wrestler

Simmy Bow

As Seedy

Jim Boeke

As Shamsky

Stan Haze

As Meyer

James Arone

As Sloan

Peter Miller

As Sgt. Rice

Pat Petersen

As Joey

Micole Mercurio

As Joey's Mother

Frederick Long

As Sparks

Ed Brodow

As Ross

Larry Margo

As Stanley

Philip Luther

As Purdy

John F. Goff

As Ashe

Elizabeth Halsey

As Policewoman

Barry Chase

As Policeman 1

Richard 'Rick' Partlow

As Policeman 2

Jerado Decordovier

As Gator Vendor 1

Dick Richards

As Gator Vendor 2

Vincent De Stefano

As Gator Vendor 3

JoJo D'Amore

As Gator Vendor 4

Bella Bruck

As Dot

Kendall Carly Browne

As Ann

Danny Baseda

As Radioman

Tink Williams

As Hector

Corkey Ford

As Chi Chi

Charles R. Penland

As Tyrone

Anita Keith

As Old Lady

Mike Mazurki

As Gatekeeper

Margaret Muse

As Society Matron

Michael Misita

As Reporter 1

Harold Greene

As Reporter 2

Jim Alquist

As Reporter 3

Margie Platt

As Bride

Nike Zachmanoglou

As Maid at Party

Gloria Morrison

As Woman at Bar-B-Que

Robert Hammond

As Wedding Guest (uncredited)

Kane Hodder

As Alligator (uncredited)

Dana MacDuff

As Punk (uncredited)

Amy Panter

As Party Guest (uncredited)