Full Cast — The Invaders (1967–1968)

Roy Thinnes

David Vincent

William Windom

Michael Tressider / Major Rick Graves

Diana Hyland

Ellie Markham / Sherri Vikor

Kent Smith

Stan Arthur / Edgar Scoville

William Woodson

Narrator (voice) (uncredited)

Michael Rennie

Magnus / Vice Chancellor Pierre Alquist

John Milford

Jim Bryce / Sheriff Lou Carver / James Boland

Lin McCarthy

Fellows / Col. Archie Harmon

Simon Scott

Maj. Pete Stanhope / Dr. Malcolm Gantley / Dr. John Slaton

Richard O'Brien

Brother John / Prof. Charles McKay / Police Sergeant

Byron Keith

Air Crash Investigator / Brother James / Gen. Cullenbine

Anthony Eisley

Bob Torin / Tony LaCava

Morgan Jones

Lt. Rawlings / Guard / Reporter

Ray Kellogg

Guard / Policeman

Wayne Heffley

Sergeant / Deputy

Hal Taggart

Alien (uncredited) / Juror (uncredited) / Pedestrian (uncredited)

Ron Nyman

Alien (uncredited) / Bartender / Alien (uncredited)

John Ward

Alien Pilot / Trooper

Tina Menard

Mama / Maid

Harold Gould

Allen Slater / Dr. Mailer

Hank Brandt

Man / Joe Manners

William Stevens

Sergeant / Cobbs

Dabney Coleman

John Carter / Capt. Mitchell Ross

William Wintersole

Alien / Carr

William Sargent

Dr. John Devin / Dr. Ken Harrison

Sam Edwards

Hank / Thatcher

Laurence Naismith

Professor Lindstrom / Cyrus Stone

Patricia Smith

Edna Greely / Sally Palay

Robert Knapp

Lt. Col. Howell / Congressman Joe Bonning

Lawrence Montaigne

Man / Garth

James T. Callahan

Ed Gidney / Dr. Harry Mills

Lew Brown

Aide / Non-Com in Charge

Dallas Mitchell

Jim Rogers / Andy

Robert Sorrells

Deputy Jim / Station Attendant

J.D. Cannon

Peter Kalter / Police Lt. Ben Holman

Hal Baylor

Friendly Guard / Guard

James Daly

Gen. Samuel Arlington Concannon / Alan Landers

Alfred Ryder

Ryder (Invader Leader) / Mr. Nexus

Tom Palmer

Dorian / Spence

Douglas Henderson

Lieutenant Farley / Martin

Ford Rainey

Gen. Jonathan Blaine / George Grundy

Noah Keen

Paul Meyers / Psychiatrist

John Mayo

Alien / Weatherman

Ed Begley

Simon Carver / Dr. Samuel Crowell

Don Ross

Ed Larson / Reporter

Barney Phillips

Walt Anson / Emmett Morgen

Mary Jackson

Nurse / Hattie Willis

Byron Morrow

Gilbert / Col. Newcomb

Suzanne Pleshette

Vikki / Anne Gibbs

William Smithers

Adam Lane / Nat Greely

Frank Marth

Alien / Eric H. Lund

Katherine Justice

Helen / Janet Garner

James Devine

Jimmy / TV Man

Allen Emerson

Library Alien / Organist

Peter Mark Richman

Tom Wiley / Andrew Hatcher

Johnny Jensen

Young Nat / Frankie Reed

Robert H. Harris

Dr. Stanley Frederickson / Hastings

Linden Chiles

Dr. Bob Vincent / Jeremy Mace

Craig Chudy

Alien / Alien (uncredited)

John S. Ragin

Kant / John Finney

Joanne Linville

Angela Smith / Prof. Pat Reed

John Zaremba

General / Professor Ed Harrison

Ross Elliott

McNally / Prof. Eliot Kramer

Joel Fluellen

Homer Warren / Butler

Ross Hagen

Perry / Jorden

Lee Farr

Justice Department Agent

Michael Harris

Mail Truck Driver

Susan Oliver

Joan Seeley / Stacy

Paul Comi

Police Sgt. Leeds / Danny

R.G. Armstrong

Police Capt. Bill Battersea / Gus Flagg

Rayford Barnes

Alien Driver / Alien Deputy

Eduard Franz

Premier Thor Halvorsen

Ed Asner

Harry Ferguson / Taugus

Christopher Shea

Jimmy / Johnny

Gene Lyons

Sawyer / John Corwin

Troy Melton

Journalist / Chauffeur

Ted Knight

Alien Air Force Major McEvoy / Alien Narrator (uncredited)

Donald Davis

Harland / Lucien

Dan Frazer

Reporter / Reporter (uncredited)