Cast and credits of Colonel March Investigates

Directed by

Cy Endfield

Starring

Boris Karloff
Colonel March

Ewan Roberts
Insp. Ames

Richard Wattis
Cabot

Sheila Burrell
Joan Forsythe

Anthony Forwood
Jim Hartley

Ronald Leigh-Hunt
Ireton Bowlder

Patricia Owens
Betty Hartley (archive footage)

Joan Sims
Marjorie Dawson

Bernard Rebel
The Count

Dana Wynter
Francine Rapport (archive footage) (as Dagmar Wynter)

Peter Butterworth
Bank clerk (uncredited)

Cy Endfield
Man leaving British Museum library (uncredited)

Victor Harrington
Customer in Bank (uncredited)

Marianne Stone
Customer in Bank (uncredited)

Written by

John Dickson Carr
stories (as Carter Dickson)