Lassie

Hugh Reilly

Paul Martin

Josh Albee

Mike Bishop

Tommy Rettig

Jeff Miller

Jon Provost

Timmy Martin

June Lockhart

Ruth Martin

George Cleveland

George 'Gramps' Miller

Robert Bray

Corey Stuart

Jan Clayton

Ellen Miller

Larry Pennell

Keith Holden

Larry Wilcox

Dale Mitchell

Robert Foulk

Mike / Mr. Saunders / Sergeant Hayes / Sheriff H. Miller / Sheriff Miller

Kenneth Tobey

Chuck Martin / Colonel Bill Morgan / Dan Fuller / Jim Dixon / Luke Moran / Tom Anderson

Lee Erickson

Caleb Brown

Marjorie Bennett

Birdie Brockway / Birdie Brockway (uncredited)

Chick Chandler

Andy Burke / Andy McGrue / Hobart / James Conte / Jeremy Boggs

Jack Ging

Col. Kenneth Stone

Harry Harvey

Hank Fuller (uncredited) / Hugh Townsend / Mr. Simpson / Robert Hanson

George Chandler

Uncle Petrie Martin

Garry Walberg

Father / Jed Bingham (uncredited)

Richard Devon

John Borregos / Merle Dixon

Ellen Corby

Amy Baker / Bess Wright / Pearlie Mae / Pearlie Mae Yochim

Jan-Michael Vincent

Chris Hanford

Tony Dow

Drew Hanford

J. Pat O'Malley

Asa Winkler / Capt. Gene Halter / Sam (uncredited)

Edward Faulkner

Jim (uncredited) / Man

Morgan Jones

Al Jennings / Clay Adams / Scott Frasier

Douglas Henderson

Dave / Dave Kirkland

Florence Lake

Jennie / Jenny / Jenny (uncredited)

Walter Reed

Doug Walker / George Evans

Frank Aletter

Col. Gene Cameron / Colonel Gene Cameron

John Lasell

Dr. Robbins

Walter Coy

Col. Mitchell / Colonel (uncredited) / Dan Ryder

Phil Chambers

Jed Ransom (uncredited) / Phil Davies

Paul Fix

Jake Palmer / Sam Snow

Nestor Paiva

Michael Zolenko

Richard Tretter

Captain Chuck Lindsay

Cloris Leachman

Ruth Martin

Everett Glass

Judge Henry Wheatley / Professor

Richard Reeves

1st Truck Driver / 2nd Worker

Jed Allan

Scott Turner

George Cisar

Mr. Bates

Charles Seel

Janitor / Simpson

Bill Zuckert

Mayor Fred Rankin / Sam Caldwell

Lloyd Nelson

Range Control Officer (voice)

Murray MacLeod

Captain Pat Hayes

Ryan MacDonald

Jim Fredericks

Nina Shipman

Gail Fredericks

Paul E. Burns

Mr. Hanby / Old Jason

Dick Simmons

Sgt. Major Hardwick

Patrick Waltz

Carl / Pilot

Robert Sampson

Tom Wade

Robert Donner

Clay Braddock

William Phipps

Jenkins / Joe

Jim Bannon

Mr. Haines / Soldier

Sydney Smith

Ed Carter / Regional Ranger Monroe

Nolan Leary

Judge Baxter

Jack Bannon

John Holt

Arthur Space

Dr. Frank Weaver

Myron Healey

Matt Wills

Virginia Gregg

Mrs. Powell

Jerry Mathers

Ken Hines

Taylor Holmes

Mr. Delahaney

Phyllis Coates

Miss Vernon

Robert J. Wilke

Mr. Corey

Denver Pyle

Mr. Madden

Raymond Hatton

Checker Charlie

Rand Brooks

Bulldozer Operator

Robert Armstrong

Oliver

Jim Hayward

Mr. Peeves

Percy Helton

Jason Blalock

Frank Albertson

Norman Talley

Maudie Prickett

Reception Nurse

Raymond Giarrusso

Valentin Zolenko (as Ray Giarrusso)

Erin Murphy

Molly Craig

Harold Goodwin

Foreman

Berkeley Harris

Cliff

Marshall Reed

Ranger Wes Wade

Keith Richards

2nd Kidnapper

Ray Teal

Jim Teal

Grant Withers

George Forsythe (uncredited)

Hal Taggart

Al the Mechanic

Ralph Dumke

Mr. Tumulty (uncredited)

Dick Wessel

Fred Brockway

John Harmon

Emmett Kerry

Will Wright

Caleb Brown

Judy Nugent

Spike

Robert Patten

Forest Ranger (uncredited)

Elaine Devry

Fire Lookout

Bobby Clark

Frankie Jessup

Oliver McGowan

Mr. Rayburn

Kenneth Patterson

Mr. Jessup

Clayton Moore

The Lone Ranger

Mark Tapscott

Doctor

Chubby Johnson

Prospector

Phillip Pine

Wayne

Robert Patton

Forest Ranger

Don Brodie

Doc Simms

Dorothy Neumann

Mrs. Castro

Milton Frome

Harry Houston

Aline Towne

Mrs. Carroll

Arthur Franz

Professor Standish

Stuart Randall

Al Livermore

Mauritz Hugo

Terry

Jeff Bridges

Cal Baker (uncredited)

Barbra Fuller

Fire Lookout

Jack De Mave

Bob Erickson

Charles Arnt

Ralph Trumble

Ben Welden

Delivery Man

Frances Rafferty

Ann Porter

Frank Ferguson

Seth Collins

Martha Wentworth

Bertha Collins

Billy Nelson

Tex

Wally Brown

Lou

Michael Whalen

Phil Potter

Paul Brinegar

Ben Adams

Charles Bateman

Young Engineer

Perry Cook

Junk Man

Richard Donner

Clay Braddock

William Challee

Ed Higgins

Jay North

Jim

Norman Leavitt

Mr. Timmins

Carl Benton Reid

Richard Bliss

Abel Fernandez

Grady

Leo Gordon

Bob Stokes

Bill Williams

Jed Bingham

Ben Morris

Linc

Richard Karlan

1st Rustler

Lee Farr

Frank Driscoll

Lane Bradford

Sam

Clyde Howdy

Hank Whitfield

John McKee

Bill

Ollie O'Toole

1st Radio Operator

House Peters Jr.

Sheriff Jim Simmons

Malcolm Atterbury

Judge Baxter

Orville Sherman

Ride Attendant

Kay E. Kuter

Sam

Rusty Lane

Joe Bascom

Dan White

Amos Lovejoy

Ken Mayer

Mr. Cranston

Michael McGreevey

Mike

Jack Williams

Accomplice

Robert Burton

Thomas Arnold

Phillip Terry

John Myles

Jimmy Lydon

Mr. Dennis

Henry Wills

Jim Manning

Boyd 'Red' Morgan

Ed Sloan

Gil Perkins

Mr. Nolan

Charles Tannen

Dispatcher

Eugene Mazzola

Jose Garcia

Jack Stoney

Townsman (uncredited)

Dick Foran

Fire Chief Ed Washburne

Ken Osmond

Motorcyclist

Richard Webb

Forest Ranger (uncredited)

Lew Brown

Forest Ranger

Iggie Wolfington

Francis

Skip Homeier

Jim Pearson

Ed Kemmer

Banker

Willis Bouchey

Registrar