Cameron Mitchell
— Professor
Rocco Karega
— Edward Thurman
Theresa Fenneaux
— Maria Beniley
Ray Klein
— Ike Logan
Tony Zotta
— Brian Spence
Julia Westland
— Kelly Adams
J. Arthur Dickinson
— Lt. Digby
Duncan Larson
— Bloodhound Steinfeldt
Jacquie Ward
— Patricia Harper
Joey Giacomazzi
— Officer Tony Drayton
Erik Moore
— Tanner
Jimmy Walker
— Dr. Royce Townes
Jan Gatewood
— Spongy
Radford Moore Sr.
— Male Officer
Lynne Murray
— Man #1
Gary Burl
— Man #2
Tom Peterson
— Zoo Administrator
Richard Cambre
— Zoo Veterinarian
Yvette Kim
— Female Supervisor
Kym Smith
— Bangher
Tim Foster
— Whammer
Eric Daniels
— Link
Marilyn Hoffman
— Steinfeldt's Wife
Tom Jenson
— Radio Voice (voice)
Michael Smith
— 1st Detective
Ray Fejarang
— 2nd Detective
William Upton
— Bartender
Vickie Aleksic
— Hotel Waitress
Hawthorne James
— Police in Warehouse
Jay Michael Dills
— Police in Warehouse