Rod Taylor

Lieutenant Colonel Clegg Forbes

Jim Hutton

Major William Gart

Charles Aidman

Colonel Ed Harrington

Maxine Cooper

Amy

Paul Bryar

Sue Randall

Joe Bassett

Lisabeth Field

Logan Field

S. John Launer

Mr. Harrington

Oliver McGowan

Gloria Pall

Bernard Sell

Rod Serling

Narrator (voice)