Regia

• George Schaefer — director
• David Salven — assistant director

Cast

• George Peppard — Capt. Frank Matthews
• Jean Seberg — Adele Matthews
• Richard Kiley — Woodrow Wilson King
• Charles McGraw — Deputy Chief John P. Hildebrand
• Madeleine Sherwood — Mrs. Eileen Sanderson
• Robert F. Lyons — Paul Martin Sanderson
• Frank Marth — Lt. Smithson
• Marj Dusay — Liz Tennant
• Paul McGrath — Senator Augustus Cole
• Stewart Moss — Richard D'Angelo
• Isabel Sanford — Effie
• Dana Elcar — Det. J.J. 'Red' Thornton
• Harry Lewis — Brooks Elliott
• Mildred Trares — Mary Schumacher
• Robin Raymond — Myra
• Phyllis Hill — Mrs. Wilma Elliot
• S. John Launer — Judge Kinsella
• Jock MacKelvie — U.S. Attorney Grady Butler
• Richard Guizon — Deputy Marshall Jack Barnes
• Jack Grimes — Artie
• Logan Ramsey — Detective Jelinek
• Douglas Henderson — Detective Hanauer
• Gene Boland — Garland
• Vince Flaherty — Street Tough
• George Boyce — Courtroom Spectator

Sceneggiatura

• Stanley Niss — writer

Produzione

• Stanley Niss — producer

Sonoro

• Walter Scharf — original music composer
• Charles J. Rice — sound supervisor
• William Randall Jr. — sound
• Arthur Piantadosi — sound

Montaggio

• Hugh S. Fowler — editor

Scenografia

• Walter M. Simonds — production design
• Morris Hoffman — set decoration

Costumi e trucco

• Ben Lane — makeup supervisor
• Virginia Jones — hairstylist

Fotografia

• Lionel Lindon — director of photography