Homicidal

Joan Marshall

Emily

Glenn Corbett

Karl Anderson

Patricia Breslin

Miriam Webster

Eugenie Leontovich

Helga Swenson

Alan Bunce

Dr. Jonas

Richard Rust

Jim Nesbitt

James Westerfield

Alfred S. Adrims

Gilbert Green

Lt. Miller

Hope Summers

Martha Adrims (Uncredited)

Harry 'Snub' Pollard

Eddie, Bellhop (Uncredited)

Wolfe Barzell

Olie (Uncredited)

?

Teri Foster Brooks

Mrs. Forest (Uncredited)

William Castle

Self, Prologue Host (Uncredited)

Ralph Moody

First Hotel Clerk (Uncredited)

Joseph Forte

Second Hotel Clerk (Uncredited)