The Loneliest Runner

Lance Kerwin

John Curtis as a Youth

Brian Keith

Arnold Curtis

DeAnn Mears

Alice Curtis

Melissa Sue Anderson

Nancy Rizzi

Rafer Johnson

Himself

Michael Landon

John Curtis

Walker Edmiston

Dr. Claymor

Clifford A. Pellow

George Sanders

Bing Russell

Fred Dawkins

Randy Faustino

Tony

Dermott Downs

Donnie

Robert Hackman

Mr. Rizzi

Barbara Collentine

Miss King

Herb Vigran

Guard

Hank Stohl

Asst. Director

Mona Bruns

Cashier

Bill Dearth

Policeman

Shane Kerwin

Frankie