Richard Roundtree
— Dick Shannon
Chuck Connors
— Kesten
Marie-José Nat
— Laure
Ray Milland
— Ambassador
Broderick Crawford
— Frank Dunniger
Max von Sydow
— Gorenko
David Bauer
— Kadish
Larry Cross
— Gamble
David Healy
— Phelan
Karl Held
— Rylands
Sarah Marshall
— Miss Harding
Dee Pollock
— Stacey
Leila Buheiry
— Leila
Gail Clymer
— Switchboard Operator
Edmond Hannania
— First Man in Black
Saladin Nader
— Roget
Dean Turner
— Clem Gelber