Leif Erickson

Dr. Victor Briggs

Robert Foxworth

Dr. Calvin Briggs

Kate Jackson

Nurse Michelle Johnson

Jonathan Goldsmith

Dr. Jimmy Martin (as Jonathan Lippe)

Burgess Meredith

Dr. Simmons

William Windom

Mr. Farrigan

Karl Swenson

Mr. Fisherman

Susan Moffitt

Terri

Barbara Baldwin

Mrs. Spencer

William Bryant

Mr. McDermott (as Bill Bryant)