Robert Vaughn
as Napoleon Solo
Paul Lynde
as Homer Cripps
Rod Taylor
as Bruce Templeton
Doris Day
as Jennifer Nelson
George Tobias
as Norman Fenimore
John McGiver
as Ralph Goodwin
Ellen Corby
as Anna Miller
Eric Fleming
as Edgar Hill
Elisabeth Fraser
as Nina Bailey
Edward Andrews
as Gen. Wallace Bleecker
Alice Pearce
as Mabel Fenimore
Arthur Godfrey
as Axel Nordstrom
Dick Martin
as Zack Molloy