Karl Wallace and Mary O'Keefe have appeared together in 1 film in 1974. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1974 | Invasion from Inner Earth |
Karl Wallace also often with: Arnold Didrickson (1), Bill Rebane (1), David Pray (1), Debbi Pick (1), James Steadman (1)
Mary O'Keefe also often with: Arnold Didrickson (1), Bill Rebane (1), David Pray (1), Debbi Pick (1), James Steadman (1)