Brother John

Sidney Poitier

John Kane

Will Geer

Doc Thomas

Bradford Dillman

Lloyd Thomas

Beverly Todd

Louisa MacGill

Ramon Bieri

Orly Ball

Warren J. Kemmerling

George

Lincoln Kilpatrick

Charley Gray

P. Jay Sidney

Rev. MacGill

Richard Ward

Frank

Paul Winfield

Henry Birkardt

Zara Cully

Miss Nettie

Michael Bell

Cleve

Howard Rice

Jimmy

Darlene Rice

Marsha

Harry Davis

Turnkey

Lynn Hamilton

Sarah

Gene Tyburn

Calvin

E.A. Nicholson

Perry

Billy Crane

Bill Jones (as Bill Crane)

Richard Bay

Lab Deputy