Benji

Patsy Garrett

as Mary Gruber

Allen Fiuzat

as Paul Chapman Jr.

Cynthia Smith

as Cindy Chapman

Peter Breck

as Dr. Paul M. Chapman

Frances Bavier

as Lady with the Cat

Terry Carter

as Officer Tuttle

Edgar Buchanan

as Bill

Tom Lester

as Riley

Christopher Connelly

as Henry

Deborah Walley

as Linda Sue

Mark Slade

as Mitch

Herb Vigran

as Lt. Ted Samuels

Higgins

as Benji

Larry Swartz

as Floyd

J.D. Young

as Second Policeman

Erwin Hearne

as Mr. Harvey

Ed DeLatte

as Bob Fielding

Victor Raider-Wexler

as Payton Murrah

Charles Starkey

as Custodian

Ben Vaughn

as Man

Joe Camp III

as Newspaper Boy (as Joey Camp)

Bill King

as Groundskeeper

Robert Thomas

as Second Custodian