Riven

Gene Barry

as Dr. Clayton Forrester

Ann Robinson

as Sylvia Van Buren

Lewis Martin

as Pastor Dr. Matthew Collins

Les Tremayne

as Maj. Gen. Mann

Frank Kreig

as Fiddler Hawkins (uncredited)

Vernon Rich

as Col. Ralph Heffner

Sandro Giglio

as Dr. Bilderbeck

Ann Codee

as Dr. Duprey (uncredited)

Robert Cornthwaite

as Dr. Pryor (as Bob Cornthwaite)

Cedric Hardwicke

as Commentary (voice) (as Sir Cedric Hardwicke)

Houseley Stevenson Jr.

as Gen. Mann's Aide (as Housely Stevenson Jr.)

William Phipps

as Wash Perry (as Bill Phipps)

Jack Kruschen

as Salvatore

Paul Birch

as Alonzo Hogue (uncredited)

Paul Frees

as Second Radio Reporter / Opening Announcer

Henry Brandon

as Cop at Crash Site

Peter Adams

as Pine Summit Fire Watcher (uncredited)

Eric Alden

as Man (uncredited)

Hugh Allen

as Brigadier General (uncredited)

Ruth Barnell

as Mother (uncredited)

Edgar Barrier

as Prof. McPherson (uncredited)

Russ Bender

as Dr. Carmichael (uncredited)

Oscar Blank

as Man in Church (uncredited)

Hazel Boyne

as Screaming Woman (uncredited)

Chet Brandenburg

as Man in Church (uncredited)

George Bruggeman

as Soldier (uncredited)

Nora Bush

as Woman in Church (uncredited)

Tony Butala

as Boy in Final Church (uncredited)

Mushy Callahan

as Burning Soldier at Pit (uncredited)

Dick Cherney

as Looter (uncredited)

Edward Colmans

as Spanish Priest (uncredited)

James Conaty

as Man at Pacific Institute of Science and Technology (uncredited)

Russ Conway

as Rev. Bethany (uncredited)

Martin Coulter

as Marine Sergeant (uncredited)

Vittorio Cramer

as First Radio Reporter (uncredited)

Pierre Cressoy

as Frenchman (uncredited)

Oliver Cross

as Scientist (uncredited)

Jane Crowley

as Woman in Church (uncredited)

Jim Davies

as Marine Commanding Officer (uncredited)

Helen Dickson

as Woman in Church (uncredited)

Ralph Dumke

as Buck Monahan (uncredited)

Jimmie Dundee

as Civil Defense Official (uncredited)

Al Ferguson

as Police Chief (uncredited)

Dick Fortune

as Marine Captain (uncredited)

Alex Frazer

as Dr. James (uncredited)

Frank Freeman Jr.

as Bum #2 Listening to Radio (uncredited)

Slim Gaut

as Radio Listener (uncredited)

Charles Gemora

as Martian (uncredited)

Ned Glass

as Well-Dressed Looter (uncredited)

Jack Gordon

as Man in Church (uncredited)

Fred Graham

as Looter (uncredited)

Joe Gray

as Looter (uncredited)

Herman Hack

as Worker Listening to Radio (uncredited)

Nancy Hale

as Young Wife (uncredited)

Virginia Hall

as Girl (uncredited)

Ted Hecht

as KGEB Reporter (uncredited)

Douglas Henderson

as Staff Sergeant (uncredited)

Gertrude Hoffmann

as Elderly News Vendor (uncredited)

Tex Holden

as Man in Church (uncredited)

Jimmie Horan

as Party Guest (uncredited)

Patricia Iannone

as Girl (uncredited)

Jerry James

as Reporter (uncredited)

Michael Jeffers

as Worker Listening to Radio (uncredited)

Dick Johnstone

as Man in Church (uncredited)

Carolyn Jones

as Blonde Party Guest (uncredited)

Don Kohler

as Colonel (uncredited)

Ivan Lebedeff

as Dr. Gratzman (uncredited)

Freeman Lusk

as Secretary of Defense (uncredited)

Herbert Lytton

as Chief of Staff (uncredited)

Wilbur Mack

as Official (uncredited)

George Magrill

as Traffic Cop (uncredited)

Mike Mahoney

as Townsman (uncredited)

John Mansfield

as Man (uncredited)

Joel Marston

as Military Policeman in Jeep (uncredited)

Sydney Mason

as Fire Chief, Crew #3 (uncredited)

John Maxwell

as Doctor (uncredited)

Mathew McCue

as Man in Church (uncredited)

David McMahon

as Minister, First Church (uncredited)

William Meader

as P.E. Official (uncredited)

Lee Miller

as Reporter (uncredited)

Ralph Montgomery

as Los Angeles Red Cross Official (uncredited)

Alvy Moore

as Zippy (uncredited)

Bob Morgan

as Injured Civil Defense Worker (uncredited)

Charles Morton

as Worker Listening to Radio (uncredited)

George Nardelli

as Military Officer (uncredited)

Stanley Orr

as Marine Major (uncredited)

George Pal

as Bum #1 Listening to Radio (uncredited)

Walter Richards

as Reporter (uncredited)

Robert Rockwell

as Forest Ranger at Crash Site (uncredited)

Walter Sande

as Sheriff Bogany (uncredited)

James Seay

as Air Force Bomber Pilot (uncredited)

Allen D. Sewall

as Man in Church (uncredited)

Lucile Sewall

as Woman in Church (uncredited)

Cora Shannon

as Old Woman (uncredited)

David Sharpe

as Looter (uncredited)

Teru Shimada

as Japanese Diplomat (uncredited)

Reginald Lal Singh

as Military Officer (uncredited)

Bobby Somers

as Deputy at Crash Site (uncredited)

Bert Stevens

as Man in Church (uncredited)

Charles Stewart

as Marine Captain (uncredited)

Jack Stoney

as Looter (uncredited)

Gus Taillon

as Elderly Man (uncredited)

Morton C. Thompson

as Reporter (uncredited)

Arthur Tovey

as Party Guest (uncredited)

Dale Van Sickel

as Looter (uncredited)

Dorothy Vernon

as Elderly Woman at Square Dance (uncredited)

Anthony Warde

as Military Police Driver (uncredited)

Bob Whitney

as Military Officer (uncredited)

Chalky Williams

as Worker Listening to Radio (uncredited)

Waldon Williams

as Boy (uncredited)

Bud Wolfe

as Rescuing Civil Defense Worker (uncredited)

Fred Zendar

as Marine Lieutenant (uncredited)

Edith Head

Costume Design

Chesley Bonestell

Technical Advisor

Marcel Delgado

Modeling

Michael D. Moore

Assistant Director

Emile Kuri

Set Decoration

Barré Lyndon

Screenplay

Jimmie Dundee

Stunts

Chester Pate

Special Effects

Howard Beals

Sound Effects

Robert S. Richardson

Technical Advisor

Fred Graham

Stunts

Mushy Callahan

Stunts

Barney Wolff

Special Effects

Tommy Middleton

Sound Effects

Romaine Birkmeyer

Props

Everett Douglas

Editor

Diana Gemora

Costumer

Charles Gemora

Costumer

Charles Morton

Stunts

Chet Brandenburg

Stunts

W. Wallace Kelley

Visual Effects

Ivyl Burks

Visual Effects

Aubrey Law

Visual Effects

Frank Caffey

Production Manager

Gae Griffith

Producer's Assistant

George Bruggeman

Stunts

Irmin Roberts

Visual Effects

Gene Lauritzen

Construction Coordinator

Jack Stoney

Stunts

Jan Domela

Visual Effects

William M. Andrews

Sound Editor

Lee Vasque

Props

Albert Nozaki

Art Direction

Bob Morgan

Stunts

Bob Springfield

Special Effects

Ivyl Burks

Props

Leith Stevens

Original Music Composer

Byron Haskin

Director

A. Edward Sutherland

Special Effects

Harry Lindgren

Sound Recordist

Albert Nozaki

Set Decoration

David Sharpe

Stunts

George Magrill

Stunts

Walter Hoffman

Visual Effects

Dan Johnson

Sound Effects

Gene Garvin

Sound Recordist

Monroe W. Burbank

Color Grading

Murray Young

Key Grip

Joe Gray

Stunts

Slim Gaut

Stunts

Loren L. Ryder

Sound Director

George Barnes

Director of Photography

Frank Freeman Jr.

Associate Producer

Herman Hack

Stunts

Paul K. Lerpae

Visual Effects

Gordon Jennings

Visual Effects

Walter Oberst

Sound Effects

Hal Pereira

Art Direction

George Pal

Producer

Soldier Graham

Gaffer

Fred Zendar

Stunts

Dale Van Sickel

Stunts

Tex Holden

Stunts

Ken Strickfaden

Special Effects

Charles Davies

Props

Cecil B. DeMille

Executive Producer

H.G. Wells

Novel

George Parrish

Orchestrator

Bobby Somers

Stunts

Lovell Norman

Sound Editor

Gordon Cole

Property Master

Chesley Bonestell

Painter

Bud Wolfe

Stunts

Chalky Williams

Stunts

Cliff Shirpser

Visual Effects Camera

Jack Caldwell

Visual Effects

Milt Olson

Props

Wally Westmore

Makeup Supervisor