Dennis Weaver
Lt. Joe Hardy
Lois Nettleton
Anne Wilson
Anne Francis
Marie Hardy Forrest
Andrew Duggan
William Forrest
Percy Rodriguez
Capt. Jackson
Pamelyn Ferdin
Sharon Hardy
Robert Doyle
Maj. Everett
James Hong
Maj. Thon
Frank Maxwell
Col. Thompson
Carl Reindel
Lt. Diamonte
John S. Ragin
Maj. Parkman
Vernon Weddle
Surgeon
Duncan Inches
Motel Owner
Ken Freehill
Airport Man (uncredited)
Bob Harks
Interne (uncredited)