Cecil B. DeMille Director, Producer Betty Hutton Holly Actor Charlton Heston Marc Braden Actor Cornel Wilde The Great Sebastien Actor Dorothy Lamour Phyllis Actor Gloria Grahame Angel Actor James Stewart Buttons Actor Henry Wilcoxon Gregory, FBI agent Actor, Associate Producer Lawrence Tierney Mr. Henderson Actor Lyle Bettger Klaus Actor John Kellogg Harry Actor John Ridgely Asst. Manager Actor Frank Wilcox Circus Doctor Actor Julia Faye Birdie Actor Lillian Albertson Buttons' Mother Actor Emmett Kelly Emmett Kelly Actor Fredric M. Frank Writer, Writer Theodore St. John Writer, Writer Frank Cavett Writer Barré Lyndon Writer Victor Young Original Music George Barnes Cinematographer J. Peverell Marley Cinematographer Anne Bauchens Film Editing Hal Pereira Art Director Walter H. Tyler Art Director Sam Comer Set Decoration Ray Moyer Set Decoration Edith Head Costume Design Dorothy Jeakins Costume Design Wally Westmore Makeup Supervisor Edward Salven Assistant Director Miles White Costume Design