Home People Marc Singer Marc Singer shows Marc Singer shows Marc Singer TV Shows (23) BeastMaster (1999) He was 51 years old The Daily Show with Trevor Noah (1996) He was 48 years old Highlander: The Series (1992) As Caleb Cole, He was 44 years old Highlander: The Series (1992) As Caleb Cole (archive footage) (uncredited), He was 44 years old Batman: The Animated Series (1992) As Man-Bat / Dr Kirk Langstrom, He was 44 years old Batman: The Animated Series (1992) As Dr Kirk Langstrom, He was 44 years old The Twilight Zone (1985) He was 37 years old The Ray Bradbury Theater (1985) He was 37 years old V (1984) As Mike Donovan, He was 36 years old Murder, She Wrote (1984) He was 36 years old V: The Final Battle (1984) As Mike Donovan, He was 36 years old The Hitchhiker (1983) He was 35 years old V (1983) As Mike Donovan, He was 35 years old Hotel (1982) He was 34 years old Simon & Simon (1981) He was 33 years old The Contender (1980) As Johnny Captor, He was 32 years old Roots: The Next Generations (1979) As Andy Warner, He was 31 years old What Really Happened To the Class Of '65? (1977) He was 29 years old 79 Park Avenue (1977) As Ross Savitch, He was 29 years old Battle of the Network Stars (1976) He was 28 years old Planet of the Apes (1974) He was 26 years old The Rookies (1972) He was 24 years old Hawaii Five-O (1968) He was 20 years old