Narrator (archive sound)

Martin Sloan (archive footage)

Robert Sloan (archive footage)

Henry Bemis (archive footage)

Mr. Carsville (archive footage)

Helen Bemis (archive footage)

Bandaged Janet Tyler (archive footage)

Woman (archive footage)

Michael Chambers (archive footage)

Patty (archive footage)

Kanamit (archive footage)

Steve Brand (archive footage)

Les Goodman (archive footage)

Charlie Farnsworth (archive footage)

Mrs. Sloan (archive footage)

Wilcox Boy (archive footage)

Charlie (archive footage)

Mrs. Chester (archive footage)

Doctor (archive footage)

Janet's Nurse (archive footage)

Leader (archive footage)

Astronaut (archive footage)

Citizen Gregori (archive footage)

Secretary General (archive footage)

Tommy (archive footage)

Don Martin (archive footage)

Sally (archive footage)

Wilcox (archive footage)

Mr. Wilson (archive footage)

Myra Brand (archive footage)

Mrs. Goodman (archive footage)

Pete Van Horn (archive footage)

Mrs. Farnsworth (archive footage)

Walter Smith (archive footage)

Janet Tyler (archive footage)

Scientist (archive footage)

Colonel #1 (archive footage)

Colonel #2 (archive footage)

Senor Valdes (archive footage)

Leveque (archive footage)

Japanese Delegate (archive footage)