Peter Jason
Malcolm O'Keefe
Chris Graver
Christopher O'Keefe
David Carradine
Richard Adams
Carrie Snodgress
Joan O'Keefe Adams
Dan Pastorini
1st Attendant
Tim Rossovich
2nd Attendant
John Blyth Barrymore
Mad Doctor
Catherine E. Coulson
Nurse Reeves
R. Michael Stringer
Asylum Inmate