cast
- Aaron Spelling
- Road Worker
- Elzie Emanuel
- Secretary
- Forrest Stanley
- Hubka
- Harry Landers
- Coroner
- Harry Shannon
- Dr. Harner
- Holly Bane
- Escaped Convict
- James Edwards
- Convict
- Jimmy Weldon
- Guard
/_derived_jpg_q90_80x60_m0/ShadowofaDoubt1943-Still2.jpg?partner=allrovi.com){kind=small}
- Joseph Cotten
- William Callew
- Lane Chandler
- Sheriff
- Marvin Press
- Chessy
- Murray Alper
- Lloyd
- Ralph Peters
- Coroner's Assistant
- Raymond Bailey
- Ed Johnson
- Richard Newton
- Ambulance Driver
crew
- Alfred Hitchcock
- Director
- Francis Cockrell
- Screenwriter
- Louis Pollock
- Screenwriter
 - Cast and Crew - AllMovie &p[summary]= &p[url]=http%3A%2F%2Fwww.allmovie.com%2Fmovie%2Falfred-hitchcock-presents-breakdown-v348279%2Fcast-crew &p[images][0]=http://cps-static.rovicorp.com/1/adg/cov75/drt600/t658/t65866pyf0w.jpg?partner=allrovi.com){kind=link}