James Franciscus
— Youngblood Hawke
Suzanne Pleshette
— Jeanne Green
Geneviève Page
— Frieda Winter
Eva Gabor
— Fannie Prince
Mary Astor
— Irene Perry
Lee Bowman
— Jason Prince
Edward Andrews
— Quentin Judd
Don Porter
— Ferdie Lax
Mildred Dunnock
— Mrs. Sarah Hawke
Kent Smith
— Paul Winter Sr.
John Dehner
— Scotty Hawke
John Emery
— Georges Peydal
Mark Miller
— Ross Hodge
Hayden Rorke
— Mr. Givney
Werner Klemperer
— Mr. Leffer
Berry Kroeger
— Jock Maas
Rusty Lane
— Gus Adam
Robert Aiken
— Howard Fain (uncredited)
John Alban
— Party Guest (uncredited)
Leon Alton
— Man With Newspapers (uncredited)
Frank Baxter
— Book Critic on TV (uncredited)
Brandon Beach
— Party Guest (uncredited)
Herman Belmonte
— Theatregoer (uncredited)
Oscar Beregi Jr.
— Builder (uncredited)
George Blagoi
— Theatregoer (uncredited)
George Boyce
— Waiter (uncredited)
Pat Cardi
— Paul Winter Jr. (uncredited)
Dee Carroll
— Nurse (uncredited)
Beulah Christian
— Party Guest (uncredited)
Booth Colman
— TV Interviewer (uncredited)