Barry Otto

as Self

as Administrator Allsop

as Julius Bechly

as Percival Almanac

as Mayor Cranklepot (voice)

as Benny McClenahan

as Doctor

as Tom

as George Wadsworth

as Echidna (voice)

as Albert Kweller (voice)

as Administrator Allsop

as Fred

as Gramps

as Merv

as Professor Day

as Frank Cocks

as Charles Highsmith

as Father Alfredo

as Michael

as Dr. Tumii

as Gerald Urquhart

as Jimmy D'Abbs

as Adler Jones

as Baggio

as The Premier (NSW)

as John Singer / Albion Singer

as Roy

as Sheriff

as Brian Ferguson

as Stewart

as Doug Hastings

as Elliot Calder

as Shake

as Kevin

as George Oppenheimer

as Prof. Harry Beckmeyer

as Douglas Goddard

as Douglas Goddard

as Lex

as Harry Joy

as Professor Henckel

as Charles

as Various / Guest star